Firefighters were working to extinguish a fire in a commercial building in the Irwindale area on Monday.
The fire was reported about 10:35 a.m. in the 1400 block of East Arrow Highway, near Live Oak Lane, according to the Los Angeles County Fire Department.
Arriving firefighters called for a second-alarm assignment of additional personnel to be sent to the scene.
No other information was immediately available.
Get top local stories in Southern California delivered to you every morning. Sign up for NBC LA's News Headlines newsletter.