Firefighters Saturday are battling a four-alarm fire at a commercial building in Irvine.
They were dispatched at 5:50 a.m. to the 1800 block of Kettering Street, the Orange County Fire Authority reported.
Approximately 100 firefighters were at the scene.
Firefighters had the blaze under control at 8:17 a.m. and units will be at the scene from between two to three hours putting out the remaining hotspots, which will also include an extensive overhaul, the OCFA said.
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Alton Parkway, between Gillette and Armstrong avenues, is closed and motorists were advised to use alternate routes, the Irvine Police Department said.
No injuries were reported.