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

An explosion at a Los Angeles County Sheriff’s Department training facility killed three veteran deputies from the arson and explosives unit.

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.