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.
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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.
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.