An explosion at a Los Angeles County Sheriff's Department training facility in East L.A. has left three veteran deputies dead, according to department authorities.

L.A. County Fire officials said they responded to calls reporting the incident about 7:30 a.m. Friday at the Biscailuz Training Center on North Eastern Avenue.

The deputies who were killed were part of the department's arson explosives detail.

An explosion at a Los Angeles County Sheriff's Department training facility in East L.A. has left three veteran deputies dead, according to department authorities.
L.A. County Fire officials said they responded to calls reporting the incident about 7:30 a.m. Friday at the Biscailuz Training Center on North Eastern Avenue.
The deputies who were killed were part of the department's arson explosives detail.