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

The explosion at the sheriff's Biscailuz Training Facility in East L.A. killed three members of the agency's bomb squad.

This stunning state park near L.A. is the perfect place to enjoy Southern California's famous landscapes while hiking, biking ...

L.A. County Sheriff Robert Luna and officials held a press conference Friday night to provide an update on the investigation ...