CHATSWORTH — City firefighters, with an assist from L.A. County and Ventura County fire, stopped a brushfire that was burning Monday night in Chatsworth at 1 acre and were working to extinguish it, according to the Los Angeles Fire Department.

The blaze, which ignited near 22230 W. Chatsworth St. about 8:15 p.m., was located in a remote area, said fire department spokeswoman Amy Bastman.

In addition to firefighters, the department dispatched water-dropping helicopters and ground crews, Bastman continued.

No structures were threatened and no injuries were reported.