Firefighters knocked down a fire Sunday that was isolated to a computer station inside a commercial structure in Irvine.

Firefighters were dispatched at 3:16 a.m. to the 9000 block of Toledo Way amid reports that there were chemicals inside the building, the Orange County Fire Authority reported.

The fire was put out and a hazardous materials teams deemed the building safe. No injuries were reported.

The cause of the fire was undetermined and isolated to a computer station.

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