A blast at a Los Angeles County Sheriff’s Department training facility killed three members of its arson and explosives unit Friday.

Law enforcement sources told an NBC affiliate in the Los Angeles area the three deputies killed in the explosion were dealing with small "military-style devices" that were inspected or X-rayed.

An explosion in East Los Angeles Friday morning killed three Los Angeles County Sheriff’s Department deputies who were moving undetonated ordnance, according to law enforcement sources. The ...

The Los Angeles County Sheriff’s Department is in mourning Saturday for three detectives killed in an explosion at a training facility in East Los Angeles in the agency’s deadliest day since 1857.

Three Los Angeles County Sheriff’s Department detectives were killed Friday in an explosion at a training facility in East Los Angeles, a tragedy Sheriff Robert Luna called his agency’s deadliest day ...

The Los Angeles County Sheriff's Department is in mourning Saturday for three detectives killed in an explosion at a training facility in East Los Angeles in the agency's deadliest day since 1857.

A veteran investigator, a respected mentor and a skilled technician — the t hree arson investigators killed in an explosion ...

Eklund, Victor Lemus and William Osborn were killed in an explosion Friday. They collectively held 74 years of law ...

Officials shared images of the deputies who were killed in what the sheriff calls the department’s deadliest incident in over ...

Three veteran Los Angeles County Sheriff’s Department members assigned to the agency’s arson and explosives detail were ...

Three deputies were killed in a deadly explosion on Friday (July 18) at the Biscailuz Center Academy Training facility in ...