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Los Angeles County Sheriff’s Department (LASD) homicide detectives evacuated a Santa Monica complex and are in the process of obtaining a search warrant in relation to the devastating explosion Friday morning that left multiple deputies dead at the agency’s Special Enforcement Bureau in East Los Angeles.
The blast, which happened at the Biscailuz Training Facility just after 7:30 a.m., killed three deputies assigned to the arson explosives detail.
The fallen deputies had a combined 74 years of service, according to L.A. County Sheriff Robert Luna.
No other injuries were reported, and there is no threat to the community, according to Luna.
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LASD officials told Fox News Digital that the same personnel involved in Friday’s fatal blast responded to a call Thursday at a complex in Santa Monica where they assisted the local police department in seizing explosives.
It is unclear if the deputies killed on Friday were examining the explosives at the time of the blast.
LASD said homicide detectives are in the process of obtaining a search warrant for the Santa Monica location and “out of the abundance of caution,” the LAPD bomb squad, L.A. Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), and Federal Bureau of Investigation (FBI) in Los Angeles will search the location for any potential explosive materials.
“At this time, it is not determined if the devices found yesterday have any correlation to today’s critical incident,” officials wrote in a statement to Fox Digital. “Santa Monica PD is assisting the Sheriff’s Department in this incident and have evacuated the residents in the complex. They are in the process of locating a shelter for displaced residents.”

A map shows the approximate location of the explosion.
The FBI and ATF are investigating the “post-blast portion” of the incident, according to Luna.
The tragedy marked the largest loss of life within the department since 1857.
“If you’re familiar with our Special Enforcement Bureau, they’re the best of the best. The individuals who work on our arson explosives detail have years of training,” Luna said. “They average about 1,100 [calls] per year, so these aren’t people who don’t do this very often. They are fantastic experts, and unfortunately, I lost three of them today. … There are other law enforcement agencies who have bomb techs, not only around the country, around the world, that want to know what happened here. We want to make sure that we don’t repeat this.”

An explosion at a Los Angeles County Sheriff’s Department training facility Friday morning left three deputies dead. (KTTV)
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Attorney General Pam Bondi wrote in a series of X posts that she spoke with Bill Essayli, U.S. Attorney for the Central District of California, and the LASD sheriff regarding the “horrific incident.”
“I just spoke to @USAttyEssayli about what appears to be a horrific incident that killed at least three at a law enforcement training facility in Los Angeles,” Bondi wrote. “Our federal agents are at the scene and we are working to learn more. Please pray for the families of the sheriff’s deputies killed.”
Department of Homeland Security (DHS) Secretary Kristi Noem confirmed DHS is working with state and federal law enforcement in relation to the incident.
California Gov. Gavin Newsom was briefed and offered full state assistance to the sheriff’s office, according to a statement.
Los Angeles Fire Department Capt. Erik Scott confirmed LAFD’s arson and ATF members are assisting with the investigation.
Los Angeles Mayor Karen Bass offered the city’s support in an X post.
“The thoughts of all Angelenos are with all of those impacted by this blast,” Bass wrote.
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Georgia Gov. Brian Kemp also weighed in on social media, offering his family’s prayers.
“Any loss of life in law enforcement is a sad and difficult circumstance,” Kemp wrote in a post. “Marty, the girls, and I are saddened by the tragedy at the @LASDHQ Sheriff’s Office and are praying for the families of those killed in today’s accident.”
Fox News Digital’s Tessa Hoyos contributed to this report.
https://www.foxnews.com/us/explosion-la-county-sheriffs-department-facility-leaves-dead-source-says