Autopsy on Avenged Sevenfold Drummer Sullivan 'Inconclusive'

The autopsy conducted on Jimmy "The Rev" Sullivan has been ruled "inconclusive" by the Orange County coroner's office, "and more tests will be performed to determine the cause of death," reports KTLA. Sullivan, 28, was the drummer for the band Avenged Sevenfold, and appears to have died of natural causes on Monday at his Huntington Beach home. Now the "coroner has ordered toxicology tests on Sullivan's body, the results of which could take several weeks." The OC-based band has been together for a decade, and rose to popularity in 2005. Fans have been using sites like Facebook and MySpace to express their grief over Sullivan's sudden death.