Firefighters are battled a brush fire in Sylmar Monday afternoon.
The fire had spread to about two or three acres near the 11200 block of N. Wheatland Avenue by 3:15 p.m., according to the Los Angeles Fire Department, and was burning up the hillside.
Air units were deployed to fight the fire from above in addition to ground crews.
By 4 p.m., the fire had burned 15 acres, and was 75 percent contained. Crews will remain on site overnight to help manage hot spots, the department said in a tweet.
The fire was sparked by construction workers at a nearby home grinding metal, spokeswoman Margaret Stewart tweeted.