TUOLUMNE COUNTY (CBS13) — A 2-acre fire that was reported at around 3:15 p.m. in Jamestown has now grown to at least 20-acres in size, according to the Cal Fire Tuolumne Calaveras Unit.

The Preston fire, which is located at the intersection of Preston Lane and Seco Street, is reportedly spreading at a dangerous rate, says Cal Fire.

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No structures have been burned, but there are homes in the area that are reportedly threatened.

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No evacuations have been issued as of yet. Seco Road is closed at Seco and Third and at Seco and Jim Brady Road.

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More details to follow.