SAN FRANCISCO (KRON) — A multi-vehicle collision has caused delays on the Bay Bridge Friday evening. Muni tweeted the crash going eastbound has caused “heavy traffic congestion,” specifically in San Francisco’s downtown area.

Photos at the scene show a Honda Accord and an SUV were involved in a collision. A total of four cars were involved in the crash, according to Officer Mark Andrews of CHP San Francisco.

CHP says there were no serious injuries. Although, the number of people injured is not known at this time.

The crash was first reported at 6:16 p.m., and the scene cleared at 7:42 p.m.

The San Francisco Fire Department was at the scene of the crash, along with an ambulance. Muni first tweeted about the crash at 7 p.m.

This a developing story. Check back for updates when KRON4 learns more.