COSTA MESA – More than 6,500 Southern California Edison customers in western Costa Mesa were left without power Friday night after a transformer fire.

The fire was reported about 7:40 p.m. in the 2300 block of Canyon Drive near Waldorf School, said Costa Mesa Fire Department Capt. Chris Coates said.

It took about 10 minutes for six firefighters to extinguish the blaze, said Coates. The cause of the blaze remains under investigation.

SoCal Edison did not report an estimated time to have power restored to affected customers. To check for updates, go to sce.com.

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