BRISBANE (CBS SF) — A brush fire on San Bruno Mountain had grown to 11 acres as of late Thursday afternoon, officials with Cal Fire said.

The blaze began around 10:55 a.m. in the Guadalupe Canyon area of the mountain.

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According to Cal Fire, although forward progress on the fire was stopped, firefighters with Cal Fire and the North County Fire Authority continued to battle the blaze and extinguish it. The fire has been 60 percent contained.

Firefighters are being assisted by an aircraft crew dumping water or fire retardant on the flames.

No injuries have been reported, Cal Fire officials said.

At about noon, the city of Brisbane used its Twitter account to announce that voluntary evacuations were issued for Humboldt Road, Kings Road, Margaret Avenue, Paul Avenue and San Mateo Lane. Those evacuations, however, have been lifted, city officials said.

Officials with the North County Fire Authority expect firefighters to be on scene overnight.

Residents nearby are being advised to keep home emergency kits available and to prepare to evacuate their homes if needed.

The smoke could be seen around the Peninsula.

“I was actually in South City and we saw the smoke coming over the hill with my co-worker. And I was like, ‘We need to get back to my house!’ So we jetted over here,” Jason Pimentel of Brisbane told KPIX 5.

Ground crews took aim at the flames, battling steep terrain and narrow winding roads.

“I could see the fire trucks trying to get up there. You know and it was very slow and I said, ‘Hurry up! Hurry up!'” said Pat Flores of Brisbane.

PG&E said the power lines in the vicinity of the fire were not impacted by the current Public Safety Power Shutoff.

“PG&E crews are on the scene of the active fire in Brisbane supporting local first responders to ensure the safety of the area,” the utility said in a statement. “Right now, our focus is supporting the fire suppression efforts and then will be on assessing any impacts to our infrastructure once we get the all clear to do so.

“We also remain focused on continuing to inspect our electric equipment and safely restore service for the our customers impacted by the PSPS.”

At 1:35 p.m., the voluntary evacuation advisory was lifted.

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