Updated - At least 3 dead in possible explosion at LA Sheriff's Department facility

At least three people were killed in an apparent explosion at a Los Angeles County Sheriff's Department training facility in Monterey Park. The incident took place at what looked to be the department's SEB compound, which houses the sheriff's department's special enforcement units and bomb squad.

More details to come.

The Los Angeles County Sheriff's Department (LASD) confirmed multiple people are dead after an explosion Friday morning at the agency's training facility in East Los Angeles.

The explosion, which happened at about 7:30 a.m. local time at the Biscailuz Training Center, killed at least three sheriff's deputies, LASD sources told Fox News.

Ambulances were requested for injuries regarding a possible explosion, according to L.A. County Fire.

The facility is being evacuated.

The Federal Bureau of Investigation (FBI) in Los Angeles confirmed it is responding. 

This is a developing story. Check back for updates.

https://www.foxnews.com/us/explosion-la-county-sheriffs-department-facility-leaves-dead-source-says