The Brief

Not long after the Palisades Fire broke out Jan. 7, firefighting aircraft began drawing bright red lines with fire retardant across the Santa Monica Mountains, in an effort to slow and contain the flames.

By the time the fire was out about three weeks later, the MD-87s, S-2Ts and mammoth DC-10s had performed more than 280 drops across 20 square miles, according to data from Cal Fire obtained via public records requests.

LAist partnered with researchers at USC to test samples of the fire retardant gathered from fire zones in the weeks after the Palisades, Eaton and Franklin fires where it remained on the ground.

Those tests found toxic heavy metals including lead, arsenic, cadmium and chromium, which can accumulate in the environment and pose risks to humans and wildlife, according to federal and state environmental agencies.

Fire authorities say retardant is a critical component of the firefighting arsenal.

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Tests USC conducted on LAist's behalf found the presence of heavy metals in unused retardant and in samples collected after the recent fires.

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A product called MVP-FX, a variant of Perimeter Solutions' Phos-Chek, was the primary aerial retardant dropped on the Eaton and Palisades fires, according to the company.

The presence of heavy metals in MVP-Fx has not been previously reported.

LAist shared the USC lab results with Perimeter Solutions. Jeff Emery, Perimeter’s president of global fire safety, said the company’s products, including Phos-Chek MVP-Fx, have passed extensive testing. He added that the amount of heavy metals found by LAist was far below limits set by the Environmental Protection Agency and “any concerning levels for human health and safety.”

The presence of heavy metals isn’t noted in safety documents publicly shared by Perimeter Solutions.

Aircraft often drop more retardant than water each year on fires in California. From 2006 to 2024, more than 194 million gallons of various types of fire retardant were dropped by aircraft, according to data from Cal Fire.

“We don’t check into every single thing that’s in there,” said Chris Jurasek, deputy chief of tactical operations at Cal Fire.

He said his agency relies on the U.S. Forest Service to test and verify the safety of the retardants it uses. The use of fire retardants is a “critical” component of the firefighting arsenal, according to both Cal Fire and the U.S. Forest Service.

Why we had to run our own tests

Late last year, LAist requested samples of MVP-Fx from Cal Fire, the U.S. Forest Service and Perimeter Solutions, which manufactures the product, for the purpose of running an independent analysis for heavy metals. All declined.

“It’s not in our interest to share product with public or private agencies,” Jurasek said at the time. “You are not the first person to ask for us to give them fire retardant. It happens. It’s not something we do.”

Fire retardant coats laurel sumac in the Santa Monica Mountains after the Palisades Fire.

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A bag of laurel sumac covered in Phos-Chek, gathered in the Santa Monica Mountains. It was later taken to USC for testing.

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So over the next few months we gathered our own samples from the field.

After the Franklin, Eaton and Palisades fires were under control, I hiked to remote sites and collected vegetation, trash and dirt that had been caked with fire retardant. The samples were placed into baggies and taken to the Environmental Chemistry Laboratory at USC, where the fire retardant was tested for heavy metals.

Marella Schammel, a Ph.D. student, scraped dried red flakes into tubes filled with a diluted mixture of nitric acid and ran them through an inductively coupled plasma mass spectrometer.

Flakes of Phos-Chek were scraped into tubes along with diluted nitric acid for testing.

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Arsenic, cadmium, chromium, copper, manganese, nickel, lead, antimony, thallium, vanadium and zinc were all found in the samples.

Emery told LAist that any trace heavy metals found in testing were “naturally occurring.”

Phos-Chek MVP-Fx is primarily made of ammonium phosphates, which are derived from phosphate. That rock, when mined, can contain trace amounts of heavy metals.

“There are no heavy metals added to any of our formulations,” Emery said.

Cal Fire, the U.S. Forest Service and Perimeter Solutions all dismissed the results of the testing — saying that the samples couldn’t be relied on because they were gathered in the field. That the potential for contamination by ash from burning structures and brush after the retardant was dropped from planes was too great.

Eventually, LAist obtained unused, unmixed MVP-Fx and verified the source and authenticity of the material.

What we found

Marella Schammel, a Ph.D. student at USC, prepares samples of Phos-Chek for testing.

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Samples of Phos-Chek loaded into an inductively coupled plasma mass spectrometry machine for testing.

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Like the materials collected in fire zones, this unused sample was sent to the USC lab.

Schammel processed the MVP-Fx and found the same heavy metals present as the field samples we gathered.

There were some differences. However, it’s unclear if those differences are due to contamination on the ground or if there’s a variance in the amount of heavy metals present in different batches of the product.

“I’m not too surprised,” said Daniel McCurry, professor of civil and environmental engineering, who oversaw the testing process. Last year he and Schammel analyzed another Phos-Chek variant — LC95 — and found heavy metals as well.

LC95 is one of several USDA approved retardants in use today and one of the variants manufactured by Perimeter Solutions. Cal Fire doesn't use the LC95 variant.

Those results — from tests sparked in part by questions I’d asked McCurry in 2019 about whether we should be concerned about what was in fire retardants — made me want to know more about what is in the fire retardants in use now.

In an effort to compare USC’s test results to the official safety testing required by the federal government, LAist reached out to both Perimeter Solutions and the U.S. Forest Service, an agency within the USDA, for detailed test results for MVP-Fx. Neither would provide them.

In a statement, the U.S. Forest Service said that retardants that qualify for use have to show “nondetectable or trace levels” of certain heavy metals. However, the test results are proprietary information protected by nondisclosure agreements.

'Let people know what they're dealing with'

LAist’s review of publicly available documentation related to MVP-Fx, including its safety data sheet — which is required to warn those who may come in contact with the product of potential risks — found no reference to the presence of heavy metals.

A firefighting aircraft drops fire retardant as the Palisades Fire burns amid a powerful windstorm in January.

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After reviewing LAist’s results and the company’s safety data sheet, Claudia Polsky, director of the Environmental Law Clinic at UC Berkeley School of Law, said the company is likely in violation of multiple California laws and regulations including Cal OSHA standards, unfair competition law and Proposition 65.

“The Cal OSHA hazard communication standards require that a safety data sheet identify every hazardous ingredient in the product,” Polsky said. “Companies often resist disclosure requirements.

“To me this situation is disturbing if unsurprising.”

When asked about the safety data sheet, Emery said that the company works to “ensure compliance with all applicable regulatory requirements concerning our product.”

A firefighter stands amid vegetation covered in retardant in the hills of Mandeville Canyon in January.

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Some who regularly work with Phos-Chek said that LAist’s findings were a surprise to them.

“ The heavy metal thing, I can tell you, was news to me,” said Joel Lane, air tactical group supervisor with the Orange County Fire Authority. He’s worked in the industry for decades and has come in contact with different variants of Phos-Chek, both during preparation and when it’s been dropped on him by aircraft.

Lane said that he’s never been told or read in official documentation that heavy metals could potentially be present in retardant, which he finds upsetting.

He said the lack of transparency is concerning, but that it wouldn’t be the first time.

Lane feels firefighters were left in the dark about the risk of PFAS — long-lasting chemicals used in firefighting foam and in the heavy gear firefighters wear — that have been tied to elevated rates of cancer, according to the Environmental Protection Agency. Lane himself recently survived prostate cancer.

“ Be transparent, be open. Let people know what they're dealing with,” Lane said. It’s only then that they can make informed decisions about risks for themselves, he added.

LAist asked the U.S. Forest Service about potential risks to firefighters, to which they responded that “risk assessments of firefighter exposure to retardants do not indicate an increased risk for health effects,” pointing to a health assessment conducted by the agency, which includes MVP-Fx.

Although the assessment says risks are expected to be generally negligible, it doesn't explicitly mention heavy metal exposure. The U.S. Forest Service didn’t respond to whether heavy metal contamination was taken into consideration for the assessment.

What’s the risk to you?

Heavy metals can pose a serious health risk and have been tied to increased rates of cancer, as well as reproductive and developmental issues in humans.

That said, multiple health experts told LAist that the risk to members of the public exposed to the retardant when doing activities like hiking, is likely low, given the concentration of contaminants present in our samples.

“It should not be a reason for panic, but maybe it's a reason for caution,” said Dr. Ana Navas-Acien, professor and chair of Environmental Health Sciences at the Mailman School of Public Health at Columbia University, who reviewed the results.

Retardant coats a playground at a Mandeville Canyon home after the Palisades Fire.

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Fire retardant covers a pool and lounge chairs dropped from a firefighting aircraft.

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Sanjay Mohanty, associate professor of civil and environmental engineering at UCLA, agreed, saying that the risk for people with limited exposure, such as homeowners or hikers, is “very low.”

If you or your pets are exposed, it’s a good idea to wash it off.

Environmental effects

Retardant is a particular concern if it gets into aquatic ecosystems.

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Fire retardants can be particularly dangerous to aquatic ecosystems, according to a U.S. Forest Service environmental impact study published in 2011.

Once retardant enters waterways it can lead to elevated ammonia levels, which in turn can be toxic to salmon and trout. And there’s a possibility that an influx of nutrients from retardant can boost algal growth and create dead zones, killing off organisms there.

Because of these risks, the U.S. Forest Service prohibits the dropping of retardant within 300 feet of waterways, though it does happen. There have been more than 240 intrusions since 2012, according to another U.S. Forest Service environmental impact study from 2023.

However, even if the retardant doesn’t get dropped directly on waterways, it can get washed into them by rain. Heavy metals can settle in streams and ponds and potentially have devastating impacts on organisms there.

William Clements, a professor in the Department of Fish and Wildlife Conservation at Colorado State University, homed in on the cadmium LAist found in the MVP-Fx.

“ If even a small fraction of that ends up in that stream, that is cause for concern,” he said.

If you or your pets are exposed to fire retardant, it's a good idea to wash it off.

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The heavy metal can get taken up by sponge-like algae, which is then eaten by aquatic insects such as mayflies and stoneflies, which can die when exposed to the cadmium. Exposure to the heavy metal can also inhibit their reproduction, growth and ability to emerge from streams, compromising a source of food for fish and birds, according to Clements.

“ The levels of metals will increase and will be bioconcentrated over time. Not now, but in a year, two years, maybe five years from now,” said Dmitri Deheyn, a marine toxicologist at the  Scripps Institution of Oceanography.

“ People need to make the association that the impact is a lingering impact that will be diffused and diluted over time and space.”

In an effort to figure out how much heavy metal was spread throughout the San Gabriel and Santa Monica mountains during the Eaton and Palisades fires, LAist requested information on the total number of gallons of retardant dropped, from both the U.S. Forest Service and Cal Fire, via records requests. None were fulfilled.

If you’re in the firefighting world and have any samples of Phos-Chek or another type of fire retardant you’d like to share, please reach out.

The Los Angeles County Department of Public Health is warning the public of a potential measles exposure from someone who traveled through Union Station in Downtown Los Angeles earlier this month.

What happened

The unvaccinated passenger arrived at Union Station on Saturday, Sept. 12, by Amtrak train just after 7 a.m. and departed about four hours later on an Amtrak Thruway bus bound for Bakersfield.

People at Union Station during the exposure window of 8 a.m. to noon may be at risk of contracting measles seven to 21 days after exposure. The last day to monitor for symptoms is Oct. 3.

State health officials say the passenger was traveling on buses and trains through L.A. and at least five other California counties before leaving the state.

"This case, along with previous measles outbreaks in California this year, serve as reminders of the importance of vaccination against measles," said Dr. Rita Nguyen, assistant state public health officer. "Measles is one of the most contagious infections that can lead to severe lifelong consequences, including permanent brain damage, and can also be fatal, especially for children."

What to watch for

Symptoms of measles include fever, red, watery eyes, and a rash that usually develops several days after other symptoms and typically starts on the face.

As of Sept. 14, a total of 59 measles cases have been reported in California this year. In most cases, patients were unvaccinated or had unknown vaccination status.

Imagine a sprawling network of roomy bike lanes, generously landscaped to calm relentless traffic. Think Amsterdam with newer buildings and fewer waterways. That’s been Long Beach’s goal anyway.

Instead of wide post-war boulevards, roads would become slower and leaner, transforming Long Beach into a top-five global cycling city, said former city traffic engineer Paul Van Dyk. “Some of that is tongue-in-cheek, but if you shoot for the moon you land in the stars.”

Long Beach has been working toward this vision since it adopted its bicycle master plan 25 years ago, now with mounting urgency as auto-related fatalities rise. The biggest project so far – the Studebaker Road Transformation Project – is bringing this vision to the doorstep of Studebaker Road residents.

It has drawn mixed reviews.

'The intent of the design is malicious'

“The intent of the design is malicious — it’s immoral,” said Joey Schilling, who drives the road six days a week and wrote a social media post criticizing the project that drew almost 1,000 comments. ”It’s people who do not use the road trying to tell other people how to use the road.”

Amid red cones and barriers, a woman and her dogs navigate the construction zones at Studebaker Road and Willow Street in Long Beach on Friday, Sept. 4, 2026. Photo by Thomas R. Cordova.The $65 million project runs over five miles from Second Street all the way up to Carson Street. It includes bike lanes, greenways and stonescape with fiber-optic cable running underneath. It is crucial to the city’s long-term plan of knitting together 300 miles of bikeways by 2040 to bring bicycle culture to Long Beach, as well as create safer streets.

The massive project funded from 13 federal, state and local agencies, gives a glimpse of what’s to come for Long Beach thoroughfares. The Clark Avenue work is in progress. Pacific Avenue and Orange Avenue “backbone” plans are on deck. Now Studebaker Road, the biggest, longest and most expensive, is well underway, spending the most dollars and, arguably, drawing the most resident anger.

Schilling, who lives near Studebaker Road actually does ride his bike to work in Seal Beach and said he is OK with bike lanes in general. However, he says the project is not practical in a community where he says most drive to work. “It’s not a reasonable solution. It’s not even for the greater good, that would be to appease the 95 percent who use their cars. The cost and the benefit do not match up. The cost is too high, the benefit too low.”

Wider lanes, sturdier medians

The Studebaker project features raised bus stops and wider bike lanes than have been seen previously. No more flimsy bollards separating bikes from cars, said Van Dyk, the city traffic engineer who helped usher in the bikeway and traffic-calming street plan before he went on to consult on other urban bike projects.

The green bollards seen on Bellflower Boulevard and Studebaker before the redo often get hit by cars and can resemble thick blades of stomped grass. “People do not like the way they look, and I agree with their frustrations,” said Van Dyk. “That’s why we moved towards those concrete medians.“ He said planners “learned a lot of lessons along the way.”

Studebaker will feature roomier bike lanes – 9 feet wide compared with the old 6-foot-across version. Wider lanes will allow riders to travel two abreast for a better ride, Van Dyk said. It also makes them easier to clean. Debris-filled lanes are a sore spot with bikers.

The old bike lane sweeper the city used to clean narrow paths was notoriously difficult to move and use. (Fourth District Councilmember Daryl Supernaw joked that sightings of the small sweepers were less frequent than Bigfoot.) But a regular street sweeper can get into the broader lanes where it can’t on Broadway and Bellflower south of Atherton. (They actually set a street sweeper in a bike lane before planning and pouring the concrete to make sure it would fit.) Still, protected bike lanes are harder to clean than lanes merely separated by paint and “swept” by passing cars.

David Raslevich, a 41-year-old cyclist who frequently rides on the new lanes on Clark, said he has noticed branches, leaves and other debris. “I feel safer riding with the traffic, because they (cars) move debris out of the way for you.”

Buses stop in traffic, not turnouts

One new component of Studebaker and the other newer lanes are raised bus stops. The new stops designed to accommodate bikes and buses are about five inches off the ground and separated from the road by a curb. Buses will stop in the No. 2 lane, halting traffic behind them, and pick up passengers, instead of easing out of a bus turnout.

Van Dyk said that change evolved from talks with Long Beach Transit, which revealed that buses would sometimes get hit when pulling into traffic. Planners reasoned it’s better to have cars waiting for a bus to pick up passengers instead of forcing a bus waiting to pull into the No. 2 lane.

“It’s math my second grader can do: What’s better, 40 people on a bus wait or four people in cars,” Van Dyke said. “Which is the greatest cost to society? The bus is going to be more efficient.” He also contends the new system is safe; there is less ambiguity as a bus will slow down in front of a car, so the car would be more likely to stop instead of zipping around a protruding bus bumper.

It is too early to know how this plan will play out – the new bus lane curbs on Clark show missing chunks already from drivers that likely didn’t see them. Raslevich said he has seen cars turn into the curb by the raised bus stop. “They don’t know that there’s an island there, so they’re hitting that island, pretty much daily.”

Councilman Supernaw, whose district encompasses the $65 million project, had reservations about the price tag before ultimately supporting it.

'All anyone asked for is a repave'

“All anyone asked for is a repave, to get rid of potholes and have a smooth surface to drive on,” Supernaw said. “Should we just forgo the bike lanes and do a straight repave? The answer was no, we wanna use the grant money for the bike lanes.”

The city saw it as a grander vision, weaving together a puzzle of state and federal grants along with $8.5 million in local sales tax money for new transit stops, sidewalks and curb ramps that improve how all people can move through the city.

“It’s not just ‘I wanna ride a bike for fun.’ People need it to get to work,” said Jocelin Padilla, a spokesperson for the city’s Public Works Department.

'Communication via spraypaint'

A series of community meetings were held in 2024, drawing limited feedback. But when residents later saw painted pavement markings showing the planned curbs and bike lines, “they got involved in a big way,” Supernaw said.

“We call this communication via spraypaint,” said Supernaw. “Constituents see lines marked out and contact the council office.”

Aside from the cost and the bus islands, some residents are frustrated by the execution. Leslie Goldman, who lives near Studebaker and Stearns, said large piles of dirt – at times higher than cars – have blocked residents from crossing the street or seeing oncoming traffic. Some concerns were addressed, including a bus shelter that was added due to feedback from residents.

“We’re not saying we don’t want construction done ever, that’s life in the big city,” she said. But Goldman contends the “assembly line” construction approach, as opposed to the work done in shorter phases, is leading to more “noise, vibration, dust, traffic, blind spots, trash, roadblocks, … All at sporadic intervals unknown to residents. It’s not just an inconvenience, it’s a hardship.”

A 'once-in-a-generation' timeline

Padilla of Public Works acknowledged the hardship, but said the benefits would outweigh the short-term pain. She said doing the work in shorter segments would increase costs and project timelines – not a good thing when it needs to be finished by the Olympics. “This is a once-in-a-generation project,” she said.

Not all residents are wary. “Studebaker is gonna be awesome when it’s done,” said Dan Olsen, who lives near Studebaker and Atherton. “It’s new, it’s fresh, the neighborhood is going to benefit. It’s been a total pothole disaster for so long. … Even though there are catches and hooks, it’s still worth it.”

Long Beach still isn't Amsterdam

Long Beach is not yet Amsterdam; it’s still a patchwork of protected lanes and unprotected ones of varying degrees of newness. But Studebaker should be done in 2027. Pacific Avenue and Orange Avenue are next. The bike lanes and streets won’t uniformly connect, but there will be more of them – Artesia Boulevard to service Jordan High, Clark Avenue near Long Beach City College and now Studebaker. “Long Beach’s cycling network is reaching critical mass,” Van Dyk said.

Van Dyk and other bike proponents say it’s a long game. Amsterdam itself was car-dominated until the 1970s when the Stop de Kindermoord movement was launched in response to the high number of child deaths. “It’s a generational effort; it took multiple generations to give us the infrastructure we have today,” he said.

Will any of this make the streets safer?

Will they help make transportation safer for cars and bikes? The city racked up 53 traffic deaths in 2025, the highest in a decade, and 32 bike/pedestrian and e-scooter deaths. This year has seen 36 traffic deaths through mid-September. The city is also trying other tools; speed cameras are being installed, and tickets will go out this fall.

It’s not yet any safer to ride through Long Beach than it was 10 years ago, “but it’s not safer to do anything in Long Beach,” said Kurt Canfield, a cyclist and organizer for Car Lite Long Beach, a bike advocacy organization. He often rides the Broadway bike path, which he considers a success despite debris in the lane and other issues.

“They wanna bike, they wanna walk, people are driving 300 horsepower crossovers. We’re in conflict for the same space,” he said. “But this infrastructure gives us the ability to be safer.”

A grand piano, hauled in on a Ford F-350, will make its way next weekend to Griffith Park.

Then, right below the Hollywood sign, the flatbed will unfold into a stage for a recital by pianist Hunter Noack, who has played everywhere from Yosemite Valley to Joshua Tree National Park.

His Sept. 26 and 27 performances are all part of In a Landscape: Classical Music in the Wild, organized in partnership with the nonprofit Trust for Public Land. (The show is sold out, but you can sign up for the waitlist.)

For a decade, Noack has hauled his Steinway — the same model used at Carnegie Hall — through rough terrain to perform in unusual places: 370 concerts and counting.

The piano has survived fire, wind and 112-degree heat

"We've had the piano lid be ripped off by the wind. We've had the piano trailer tires catch fire on Highway 1. We've almost driven off the side of Mount Bachelor. We've played in 112-degree heat and negative 2 degrees in the winter," Noack said. And the piano has come out unscathed, including after it was towed down the washboard gravel along Schweitzer Mountain in Idaho — the only thing that happened was that it went out of tune.

How the show actually works

Among the pieces on the program at Griffith Park is "Nature Boy," the song Eden Ahbez wrote while living outdoors under the first L of the Hollywood sign. The song was later made famous by Nat King Cole.

Audiences at the Griffith Park show will be provided with wireless headphones for concert-hall quality sound, he said. "Some people just set up their picnic chairs or blankets right near the stage. Other people lay down," Noack said. "When there's so much else that's happening visually ... the music kind of automatically becomes a soundtrack, and we all get to experience that together."

The philosophy behind the series' name

The series is named after "In a Landscape," a piece by John Cage, who believed any sound could be music — even "somebody crinkling on a bag of chips," Noack said.

During his first show in 2016 at the Columbia River Gorge, Noack was midway through a soft Schumann piece about a delicate flower when 40 Harley-Davidsons on a memorial ride rolled up and circled the piano.

Rather than pack it in, he answered with Frederic Rzewski's "Winnsboro Cotton Mill Blues," a piece built to mimic the aggressive clatter of a cotton mill. "It was a conversation between the piano and these roaring Harleys," he said.

California saw the largest share of immigration arrests of people from Asian countries during the first 18 months of President Trump’s second term, a new tracker shows.

More than 25% of arrests by Immigration and Customs Enforcement agents took place in California, home to the country's largest Asian population, followed by Texas and New York.

The findings come from the new Asian and Pacific Islander ICE Tracker launched by Stop AAPI Hate.

These communities are often missing from the national debate over immigration enforcement, said Cynthia Choi, co-founder of Stop AAPI Hate during a briefing on the tracker.

“Asian and Pacific Islander communities deserve better than to be an afterthought in this crisis," Choi said. With the tracker, "we are aiming to ensure we cannot be ignored any longer."

The data shows that ICE actions targeting Asian immigrants rose much faster than enforcement against groups overall between January 2025 and August 2026.

Arrests were up 436% compared to a similar time period during the Biden administration; detentions up by 512%; deportations up by more than 1,100%.

The number of arrests peaked this past July with 1,950 recorded nationwide.

In California, there have been more than 5,300 arrests of Asian immigrants and more than 11,400 detention stints, which includes separate stays at different facilities during a single detention.

As for deportations, they were not broken down by state.

The largest numbers involved people from India and China, the countries of origin for the largest Asian immigrant populations in the U.S.

Stephanie Chan, Stop AAPI Hate’s director of data and research, noted that a rise in anti-Indian rhetoric centered on H1-B visa holders and truck drivers.

"You see a lot of elected officials saying things like, 'Indians are coming to take the jobs,'" Chan said.

Researchers also found that people from smaller communities — such as those from Laos and Uzbekistan — were arrested at rates far disproportionate to their share of the Asian noncitizen population.

The tracker draws from ICE records obtained through public-records requests by the Deportation Data Project at UCLA and UC Berkeley.

Leaders at Stop AAPI Hate said the Trump administration's immigration crackdown is not only harming the people being swept up by ICE. Chan said the group’s annual survey of Asian Americans and Pacific Islanders found more than half have felt the effects.

“That includes things like fearing that their status will be questioned,” Chan said. “That they will be arrested, detained, or deported.”

Choi drew parallels with how Asian Americans were scapegoated during the COVID-19 pandemic.

U.S. Rep. Ro Khanna, a California Democrat who joined the briefing on the tracker, said the findings felt "very personal" because of the state’s large share of arrests.

A member of the Republican-led congressional China Committee focused on U.S. competition with the Chinese government, Khanna predicted Democrats would win the mid-terms and shift the tone of that panel.

"It's going to be much more about a celebration of Asian Americans — and documenting that — than the demonization of other countries," Khanna said.