The deadly blast was caused by 1 of 2 grenades retrieved the day before, and believed to be inert, Sheriff Robert Luna ...

Los Angeles County Sheriff Robert Luna announced that one of the two grenades transported to the Biscailuz Center Training ...

LA County Sheriff Robert Luna and the ATF are expected to offer new details Friday on the investigation into the explosion ...

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

One of two grenades taken to a Los Angeles County Sheriff’s Department facility detonated last week and killed three ...

Authorities investigating the deadly blast at a Los Angeles County Sheriff's Department training facility are looking into ...

Sheriff’s officials were warning the public Saturday to be on the lookout for a possibly live grenade — one of two that were ...

The device that exploded last week at a LASD facility and killed three detectives was a grenade, ABC News sources confirmed.

Investigators have used X-rays and searched vehicles and lockers at the Biscailuz Training Facility, along with the blast ...

The investigation into the deaths of three L.A. County deputies, all killed by an explosion of military-style grenades ...

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