Federal agents are investigating, but authorities describe it as "an isolated incident" with no further threat to the public.

LOS ANGELES — U.S. Attorney General Pam Bondi says at least three people are dead after an incident at a Los Angeles County Sheriff’s Department facility. There was a reported explosion at the facility Friday morning.

Three members of the arson and explosives unit of the Los Angeles County Sheriff’s Department have been killed in a blast at the department’s training facility