Three Los Angeles County sheriff’s deputies assigned to the arson explosives detail were killed in an explosion at a law enforcement training facility.

Attorney General Pam Bondi says it "appears to be a horrific incident" at a law enforcement training facility.

Three people have been killed in an explosion at a police training facility in Los Angeles. The incident happened at Biscailuz Center Academy Training at approximately 7.25am local time (12.30pm UK), the Los Angeles Sheriff’s Department confirmed.