JAMESTOWN, Calif. (AP) — A wildfire in Central California has triggered the evacuation of rural homes in the Sierra Nevada foothills.

The California Department of Forestry and Fire Protection says the fire broke out Saturday afternoon near Jamestown in Tuolumne County and quickly spread.

CalFire spokeswoman Lynne Tolmachoff said the fire was burning oak trees and tall grasses, threatening an unknown number of homes.

About 200 firefighters, aided by retardant-dropping aircraft, were battling the blaze. Jamestown is about 65 miles east of Stockton.

As of 6:30 p.m., the fire is estimated to be around 230 acres with a, "dangerous rate of spread," according to @CalFireTCU on Twitter. It is currently 30% contained.

Stay with ABC10 for more information as it becomes available.