
A fast-moving brush fire in the Fairmont area of northern Los Angeles County scorched an estimated 100 acres and drew a second-alarm response Monday, according to officials. The blaze was first reported near 190th Street West and West Avenue C at about 11:25 a.m., and the Los Angeles County Fire Department requested a second alarm at 11:46 a.m. Crews remained on scene working to corral the flames, and there were no immediate reports of injuries or structural damage.
In a post from the L.A. County Fire Department, the agency labeled the incident #RockFire and listed units from FS78 as responding. The department estimated the size at roughly 100 acres at the time the second alarm was called and pinpointed the location at 190th St W and W Avenue C in Fairmont, along with the initial report and second-alarm time stamps.
Where the Fire Is Burning
The fire is burning in unincorporated Fairmont, north of Lancaster in the Antelope Valley, an area of high-desert brush and scattered rural parcels where flames can run across open fuel. County disaster-route maps highlight the grid around 190th St W and W Avenue C, along with the surrounding network of dirt roads that crews use for access, according to the Los Angeles County Department of Public Works.
Official Updates and Safety Information
At the time of the fire department's post, officials had not released information on what started the Rock Fire or how much of it had been contained. People living in or traveling near Fairmont are urged to steer clear of the area while firefighters are operating and to keep an eye on official sources for updates. For formal bulletins and incident information, check the L.A. County Fire Department.
What to Watch Next
Hoodline will update this story as the L.A. County Fire Department and local authorities share more details on the Rock Fire's progress and response. If you are in immediate danger, call 911 and follow the directions of emergency personnel at the scene.









