A Los Angeles County sheriff speaks at a news conference near the Los Angeles County Sheriff’s Department’s Biscailuz Center Academy Training facility, where fellow officers were killed following an explosion on July 18, 2025.

A Los Angeles County sheriff wears a badge adorned with a black mourning band in honor of fellow officers killed following an explosion at the Los Angeles County Sheriff’s Department’s Biscailuz Center Academy Training facility on July 18, 2025.

A Los Angeles County sheriff officer walks in front of an ATF Explosives and Fire Investigation vehicle as it arrives at the Los Angeles County Sheriff’s Department’s Biscailuz Center Academy Training facility, where fellow officers were killed following an explosion on July 18, 2025.

Los Angeles Police Chief Jim McDonnell listens to a Los Angeles County sheriff speaking at a news conference near the Los Angeles County Sheriff’s Department’s Biscailuz Center Academy Training facility, where fellow officers were killed following an explosion on July 18, 2025.

Los Angeles County Sheriff Robert Luna holds a press conference following an explosion at the Los Angeles County Sheriff Department’s Biscailuz Training Center in East Los Angeles, California, on July 18, 2025. Three people died Friday in an “incident” at a police training facility in Los Angeles, the US government said, with media reports saying there had been an accidental explosion. California Governor Gavin Newsom’s office said he had been briefed on “the reported explosion” and was “closely monitoring the situation.”

A fire truck leaves a sealed off area as a police officer blocks the road to the Los Angeles County Sheriff’s Department’s Biscailuz Center Academy Training facility, where fellow officers were killed following an explosion, in East Los Angeles, California, on July 18, 2025.

Two HAZMAT (hazerdous materials) vehicles are seen following an explosion at the Los Angeles County Sheriff Department’s Biscailuz Training Center on July 18, 2025. Three people died Friday in an “incident” at a police training facility in Los Angeles, the US government said, with media reports saying there had been an accidental explosion. California Governor Gavin Newsom’s office said he had been briefed on “the reported explosion” and was “closely monitoring the situation.”

Police vehicles are seen following an explosion at the Los Angeles County Sheriff Department’s Biscailuz Training Center on July 18, 2025. Three people died Friday in an “incident” at a police training facility in Los Angeles, the US government said, with media reports saying there had been an accidental explosion. California Governor Gavin Newsom’s office said he had been briefed on “the reported explosion” and was “closely monitoring the situation.”

Police vehicles are seen following an explosion at the Los Angeles County Sheriff Department’s Biscailuz Training Center on July 18, 2025. Three people died Friday in an “incident” at a police training facility in Los Angeles, the US government said, with media reports saying there had been an accidental explosion. California Governor Gavin Newsom’s office said he had been briefed on “the reported explosion” and was “closely monitoring the situation.”

Two HAZMAT (hazerdous materials) vehicles are seen following an explosion at the Los Angeles County Sheriff Department’s Biscailuz Training Center in East Los Angeles on July 18, 2025. Three people died Friday in an “incident” at a police training facility in Los Angeles, the US government said, with media reports saying there had been an accidental explosion. California Governor Gavin Newsom’s office said he had been briefed on “the reported explosion” and was “closely monitoring the situation.”

A view of the Los Angeles County Sheriff Department’s Biscailuz Training Center following in explosion at the site in East Los Angeles, California, on July 18, 2025. Three people died Friday in an “incident” at a police training facility in Los Angeles, the US government said, with media reports saying there had been an accidental explosion. California Governor Gavin Newsom’s office said he had been briefed on “the reported explosion” and was “closely monitoring the situation.”

Los Angeles County sheriff officers block the road to the Los Angeles County Sheriff’s Department’s Biscailuz Center Academy Training facility, where fellow officers were killed, in East Los Angeles on July 18, 2025.