Firefighters responded to Chatsworth Park North at 10:45am to a reported brushfire. LA city fire department, park rangers, LA County fire department, and Ventura county fire department ill responded because it was in the mutual aid zone. The fire started in the hiking area where there are large boulders and rocks. At this time, it is unknown what started the fire. The fire has grown to 3 acres and is now contained. 9-9-24