CONCORD (CBS SF) — A 40-year-old Antioch man was taken to the hospital after Concord police shot him during a traffic stop and domestic violence investigation, authorities said.

The Concord officers were assisting in a domestic violence investigation that Antioch police began earlier Saturday.

READ MORE: UPDATE: News Crew Security Guard Shot in Oakland Dies From Injuries; Photo of Suspect Vehicle Released

Concord police stopped a car at about 5:30 p.m. Saturday in the 1500 block of Allegro Avenue near Clayton Road, and identified the suspect as one of the passengers.

He had a felony warrant for arrest in Contra Costa County for robbery, terrorist threats and dissuading a witness or victim through the expressed or implied threat of force or violence.

READ MORE: UPDATE: 2 Men Shot Outside South Bay High School Football Playoff Game

The suspect fled when officers tried to arrest him. Police said officers shot the man, provided medical aid and waited for paramedics to arrive.

He was taken to the hospital to be treated for injuries, according to police, and his condition was unknown.

Police said the Contra Costa County District Attorney’s Office was notified and an officer-involved shooting investigation was underway.

MORE NEWS: COVID: Expert Says New Omicron Coronavirus Variant Likely Already in U.S.

Anyone who witnessed the event is asked to contact Concord Police Detective Mahan at (925) 603-5817.