Thousands of residents were under evacuation and shelter-in-place orders early Tuesday after heavy rains unleashed mudslides in a mountain area east of Los Angeles that burned two years ago, sending boulders and other debris across roads.

Firefighters went street by street in the community of Forest Falls Monday night to make sure no residents were trapped. Eric Sherwin, spokesperson for the San Bernardino County Fire Department, said crews hadn’t found anyone who needed to be rescued and no one was reported missing. Crews would canvas the neighborhoods again and begin cleanup efforts after sunrise, he said.

“We’re not gonna know the extent of things until we get to first light,” Sherwin said before dawn Tuesday.

Many structures in the area had varying levels of damage, Sherwin said, including a commercial building where the mud was so high it collapsed the roof.

The rains were the remnants of a tropical storm that brought high winds and some badly needed rainfall to drought-stricken Southern California last week, helping firefighters largely corral a wildfire that had been burning out of control about 20 miles south of the mudslides.

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