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

LOS ANGELES -- Three members of the Los Angeles County Sheriff's Department's Arson/Explosives Detail were killed Friday morning in an explosion at a training facility in the City Terrace area of East ...

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

The SEB is made up of dozens of highly trained, highly specialized deputies who do everything from SWAT standoffs to risky ...

Law enforcement sources told NBC Los Angeles last week that the three deputies were thrown a significant distance from the blast.

Before the explosion, Los Angeles County Sheriff Robert Luna Luna said deputies were working on two “military-style” grenades ...

An early morning explosion rocked a Los Angeles County Sheriff’s Department facility in Monterey Park on Friday, leaving at least three people dead. The incident occurred just before 7:30 a.m. local ...

The explosion was reported around 7:30 a.m. at the Biscailuz Training Facility, said Los Angeles County Sheriff’s Department spokesperson Nicole Nishida. Tragically, she said, three members of ...

With profound sadness and heavy hearts, the Los Angeles County Sheriff’s Department has announced the passing of three ...