LOS ANGELES – At least three people were killed Friday in an explosion at the Los Angeles County Sheriff’s Department’s Biscailuz Training Center, according to law enforcement sources.

The inspector general's office sent a letter on June 11 to the County Board of Supervisors raising concerns that officials have been blocked from scenes of shootings by

A grenade is missing from the scene of a deadly explosion at a Los Angeles County Sheriff's Department training facility, authorities announced.