SAN JOSE (CBS SF) — A brush fire in San Jose near Alum Rock Park Tuesday has spread to at least two homes, one of which had burned down to its framing.

The fire in the east foothills of San Jose grew to at least 100 acres and was roughly 40 percent contained Tuesday night, city officials said.

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The fire was reported at Claitor Way and Lariat Lane.

Eleven nearby homes have been evacuated. No injuries have been reported.

The fire was initially reported at around 4:50 p.m., according to the San Jose Fire Department.

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A park ranger told KPIX 5 that Alum Rock Park was also being evacuated.

San Jose Police were going door-to-door asking people closest to the fire to leave the area.

CalFire was offering air support for the South Bay fire with two DC-10 aircraft doing water drops on the fire.

The City of San Jose opened their emergency operations center to help those affected by the fire.

City officials have also opened up the Berryessa Community Center as a shelter and information center for those who are being evacuated.

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The center will be open as an overnight shelter.