UPDATE | 10:00 a.m. Firefighters have surrounded a 185-acre grass fire off Highway 46 in eastern San Luis Obispo County.
California Department of Forestry and Fire Protection spokeswoman Es Berliner says the blaze, which broke out Tuesday afternoon near the border with Kern County, was contained at about 1 a.m. Wednesday.
There are no injuries and no structures were damaged.
More than 80 firefighters on the ground were aided by three air tankers and a helicopter.
UPDATE | 5:57 p.m. Tuesday The grass fire near the border of Kern and San Luis Obispo counties is now 50 percent contained, according to Cal Fire. Authorities expect it to be fully contained by 1 a.m.
Known as the Antelope Fire, the blaze was first reported at 3:04 p.m. Tuesday from a cell phone call to 911.
There are eight fire engines, two bulldozers, three air tankers, one helicopter, one water tender and 81 firefighters assigned to the fire.
They are battling the blaze in "dry and sustained windy conditions of 15 to 20 mph," according to authorities.
No injuries have been reported.
The California Department of Corrections and Rehabilitation, CHP, Caltrans, United States Forest Service, and the Atascadero City Fire Department are on the scene.
UPDATE | 4:19 p.m. Tuesday The grass fire near the border of Kern and San Luis Obispo counties has burned 250 to 300 acres, according to Cal Fire. No structures are threatened.
Original story: A fire has burned 30 acres of vegetation near the border of Kern and San Luis Obispo counties, according to Cal Fire.
The fire was reported at 3:04 p.m. Tuesday. It is burning on north side of Highway 46 about two miles west of the Kern County line.
Approximately 70 firefighters are fighting the blaze.