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.

One of two grenades involved in a deadly explosion that claimed the lives of three Los Angeles County Sheriff’s Department detectives in East Los Angeles last week is unaccounted for, officials said ...

An explosion has brought central Osloto a standstill this evening with a grenade detonated by policeand one man arrested. Norwegian police are now investigating the blast, which prompted a warning to ...