A grenade is missing from the scene of an explosion that killed three Los Angeles County sheriff’s deputies. A grenade is missing from the scene of an explosion at a Los Angeles County Sheriff’s Department training facility that killed three members of its arson and explosives unit, authorities said Friday.

The explosion at the Biscailuz Training Facility in East Los Angeles killed three members of the agency's bomb squad.

Authorities are searching for a missing “military-style” grenade linked to an explosion that killed three Los Angeles sheriff’s deputies last week.