Four firefighters were injured while battling a raging fire that destroyed several commercial buildings in the Boyle Heights neighborhood of Los Angeles Monday.

Three firefighters were injured by an electrical hazard and treated at the scene, a Los Angeles Fire Department spokesperson said. Another firefighter was injured from falling debris and was transported to a hospital in fair condition.

Fire crews were able to extinguish the flames within two hours of the fire breaking out around 2 p.m. in the 2800 block of East 11th Street.

Aerial footage from Sky5 showed intense flames burning through the roof of the buildings as heavy smoke billowed into the sky.

Firefighters initially entered one of the buildings but were forced to retreat into a defensive mode, the fire department said.

The fire erupted amid an oppressive heat wave that sent temperatures soaring toward triple digits in Los Angeles Monday.

“These firefighters, with the heat out today, are going to be extremely exhausted. Much quicker than normal,” LAFD spokesperson Nicholas Prange said.

It appeared that as many as five structures were damaged or destroyed in the fire.

The buildings did not appear to be occupied when the fire broke out and crews did not encounter anyone in need of medical attention.

The cause of the fire was under investigation.

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Boyle Heights Structure Fire
Boyle Heights Structure Fire. Sept. 5, 2022 (KTLA)