A small brush fire sparked early Sunday on Mount Hamilton, east of San Jose, according to the fire department.
The fire was reported at about 7:50 a.m. in the 15000 block of Mount Hamilton Road, near Three Springs Road, fire officials said. Video from NBC Bay Area's traffic camera showed a trail of smoke rising on the west side of the mountain.
The fire had burned about 1 acre as of 8:15 a.m. and was moving slow. It had the potential to burn up to 10 acres, fire officials said.
The cause of the fire was not immediately known and was under investigation.
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