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Explosion Kills Three Deputies at LA Sheriff’s Training Academy

Agencies at every level have launched a probe after deputies moving unexploded ordinance were caught in a deadly blast

The Biscailuz Centre in Los Angeles
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The Biscailuz Training Facility, where an explosion occurred, is shown on Friday, July 18, 2025, in Los Angeles. (AP Photo/Etienne Laurent)

Overview

  • The blast occurred around 7:30 a.m. on July 18 at the Los Angeles County Sheriff’s Biscailuz Training Academy in East Los Angeles.
  • Deputies were moving unexploded ordinance recovered the night before when the device detonated, killing three and wounding a fourth.
  • Federal agents from the FBI and ATF, state emergency services and local bomb squads are assisting in an investigation that has yet to identify a cause.
  • The Governor’s Office of Emergency Services and Los Angeles County Fire Department have offered full support as the facility remains secured.
  • The incident represents the department’s deadliest loss since 1857 and has raised scrutiny over bomb disposal safety protocols.