A huge wildfire in the high desert wilderness north of Los Angeles jumped an aqueduct on Friday, rushing toward a subdivision of homes as firefighters also tried to keep flames from damaging power lines that bring electricity to Southern California.
Winds apparently carried embers across the wide concrete channel, with flames rapidly spreading to backyard fences at the edge of Palmdale.
Helicopters dipped buckets into the aqueduct to make rapid water drops. No homes appear to have been damaged. Numerous fire engines were in the area. The fire has burned more than 12 square miles since erupting Thursday afternoon.
Aircraft bombarded flames on ridges above the Antelope Valley on the southern edge of the Mojave Desert, while 750 firefighters working in high heat sought to outflank the blaze no matter which way it moved.
"We want to pinch it off and call it done," Los Angeles County fire Capt. Andrew Olvera said.
The fire was only 5 percent contained a day after it erupted in rural grasslands. The blaze spread rapidly after breaking out at midafternoon Thursday, triggering overnight evacuations of about 2,000 homes in rural areas and down to the western side of Palmdale.
One house and three mobile home residences were destroyed, another house had roof damage and various other outbuildings and garages were lost in the horse country region, authorities said.
The concrete channel of the California Aqueduct, which runs along the south edge of the Mojave Desert, had helped to contain the blaze.
Southern California Edison said the fire threatened five high-voltage transmission lines, but the California grid operator had put additional generation resources online and customers were not expected to be affected if the utility lost those lines.
Only 21 SCE customers in the fire area were without power.
The Los Angeles Department of Water and Power asked its customers to reduce electrical usage until the threat eased, but added that it had begun local generation and its system was functioning normally.
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