ANTIOCH, Calif. (KGO) -- A shooting investigation is shutting down part of Highway 4 in Antioch Friday afternoon, according to California Highway Patrol.
Just after 3 p.m. CHP tweeted the area around Laurel Road is closed until further notice.
Drivers should expect delays and take alternate routes if possible.
CHP did not say if anyone was injured.
No further details about the investigation were released.
Stay with ABC7 News for the latest details on this developing story.