Explosion at LA County sheriff training facility leaves several people dead | 18 July 2025 | Multiple people were killed Friday after an explosion rocked a Los Angeles County Sheriff's Department compound where the agency's arson explosive detail and bomb squad are based. The blast was reported at the Biscailuz Center Academy Training facility in East Los Angeles at about 7:30 a.m., the sheriff's office said. At least three deputies are believed to have died, law enforcement sources said. Authorities have not said what caused the blast, but law enforcement sources told the LA Times that a bomb squad had been moving explosives around that time.