A 41-year-old man is facing felony arson charges after he was accused of setting a brush fire near the Chatsworth Reservoir on Monday, then detained by witnesses until authorities arrived. Alejandro Martinez was subdued by members of the public after he was spotted lighting a blaze near Knapp Ranch and Woolsey Canyon at about 4:30

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.

A man was arrested for an alleged arson after a group of witnesses spotted him lighting a fire in Chatsworth on Monday and detained him until deputies arrived, according to the Los Angeles County Sheriff’s Department.

A man tried to start two fires near the Chatsworth Reservoir, authorities say, but firefighters were able to contain the blaze and residents chased down the suspect.

Neighbors in Chatsworth chased down a man accused of trying to start a brush fire. The detained the man, before deputies got there to arrest him.