SUNOL (CBS SF) — Fire crews in Alameda County were to stop the growth of a brush fire on Vallecitos Road in Sunol early Friday evening at about four acres, according to authorities.

The Alameda County Fire Twitter account posted about the fire at about 5:08 p.m. Friday.

Cal Fire, Livermore-Pleasanton Fire and Alameda County Fire units have responded to the 2300 block of Vallecitos Road. There were some reports of multiple fires.

Residents are asked to stay away from the area.