The largest wildfire in the U.S. was spreading toward mountain resort towns in northern New Mexico, prompting officials to issue another set of warnings for more people to evacuate.

Meanwhile, a wildfire that erupted Wednesday afternoon in coastal Southern California raced through coastal bluffs of multimillion-dollar mansions, burning at least 20 homes, fire officials said. The flames were fanned by gusty ocean winds but they were dying down Wednesday night. No injuries were reported but several streets were ordered evacuated.

The fire, which occurred in Laguna Niguel, was relatively small at about 200 acres (but the wind drove embers into palm trees, attics and dense, dry brush on slopes and steep canyons that hadn’t burned for decades, Brian Fennessy, chief of the Orange County Fire Authority, said at an evening news conference.

Fennessy said climate change has made even small fires that once would have been easily contained into extreme threats to life and property throughout the West.

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