Firefighters manned ladders as they battled a large fire that engulfed a commercial building and injured a firefighter in Chatsworth Wednesday night.
Crews responded to the fire in the 20100 block of West Sunburst Street around 10:03 p.m., the Los Angeles Fire Department said.
Newschopper4 was over the fire around 10:15 p.m., as at least one LAFD firefighter was spraying water on the conflagration from an elevated ladder.
Just after 10 p.m., Stewart said fire was burning through the roof of the approximately 75-foot-by-100-foot building and firefighters transitioned to a defensive operation and additional firefighters were called to the scene.
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A total of 120 firefighters were assigned to the fire and kept the flames from spreading to nearby buildings, she said, adding a knockdown was called at 11:27 p.m.
One firefighter was taken to an area hospital with non-life threatening injuries, the department said.
A representative from the Department of Building and Safety red-tagged the building due to the potential for collapse, Stewart said.
Per department protocol for a fire of this size, arson investigators were called to the scene.
The cause of the fire had not yet been determined.