An estimated 6,000 people are Downtown this morning for the procession and memorial services for Los Angeles Firefighter Brent Lovrien, who was killed in the line of duty last week in Westchester near LAX. Firefighters, likely representing almost every agency from around the state, have come to Los Angeles to show their support. It is being aired live on KTLA and on their website. Also airing online is KNBC, KCBS/KCAL and KABC. For those not......

*UPDATE 5:01: One firefighter was killed and another critically injured after reporting to the scene of an explosion that blew manhole covers off the ground and damaged part of a building in Westchester. The firefighters were responding to a report of an underground explosion and blown manhole covers in the 8800 block of Sepulveda (between Manchester and La Tijera) and were injured in a second, larger explosion after reporting to the scene, according to LAFD......