A man lit a fire near the Chatsworth Reservoir, authorities say, but firefighters were able to contain the blaze and residents chased down the suspect.

The suspect was seen walking away from an area after allegedly lighting a brush fire in the vicinity of Knapp Ranch Road and Woolsey Canyon Road.

With deputies rushing to the scene, a group of neighbors in Chatsworth chased down a man they said started a couple of brush fires near their homes.