A brush fire sparked on Mount Umunhum in the South Bay early Thursday as smoke and flames could be seen from a distance on PG&E cameras.
The flames reportedly started after a recreational vehicle crashed and caught fire then the blaze spread to surrounding brush. The fire burned about 3 acres, officials said.
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WATCH HEREThe Mt. Umunhum and Bald Mountain area of Sierra Azul Open Space Preserve was closed for the remainder of Thursday as crews worked to clean up after the fire.
The RV's driver was injured and taken to a hospital, officials said, but the extent of their injuries was unclear.
No other details were immediately available.
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