Three deputies killed in training facility explosion in L.A.

Three deputies died Friday morning in an explosion at a police training facility in East Los Angeles, officials confirmed.

The blast occurred around 7:30 a.m. local time at the Biscailuz Center Academy, where the victims were reportedly handling explosives. The cause is under investigation, according to BBC.

Local and federal agencies, including the LAPD bomb squad and ATF, are assisting. Authorities described the incident as the region’s deadliest law enforcement-related explosion in nearly 40 years.