One unit in an Irvine strip mall was damaged after a three-alarm fire broke out Tuesday evening, authorities said.
The blaze broke out at the 5300 block of Walnut Avenue shortly after 6 p.m., according to Orange County Fire Authority spokesperson Capt. Thanh Nguyen. No injuries were reported, Nguyen said.
The cause of the fire remains unknown, and a crew of 43 was required to knock it down, the OCFA said.
Westbound Walnut Avenue was closed at Jeffrey Road while firefighters worked on the blaze, Irvine Police said in a Tweet around 7 p.m., adding that part of the shopping center was shut down.
