Shooting involving CHP blocks southbound lanes of I-280 in San Francisco

Written by KTVU staff

SAN FRANCISCO, Calif. (FOX-35)- A shooting involving a California Highway Patrol Officer shut down the southbound lanes of Interstate 280 in San Francisco on Wednesday afternoon, according to the CHP. 

A sig-alert was issued just before 5 p.m. Officials did not go into detail about where exactly the shooting occurred or what led up to the shooting. 

CHP did not have details on potential injuries or suspects, nor did they say if one of its officers opened fire or if it was a suspect. 

The situation, first reported at around 4:40 p.m., was officially described as police department activity. Traffic is diverting at Mariposa Street. 

The area around Brannan Street and 6th Street, King Street, 5th Street and Cesar Chavez are all affected. 

The estimated time to reopen the lanes is unknown. Drivers should use alternate routes and expect delays. 

A KTVU crew at the scene saw several patrol vehicles and a couple of civilian vehicles in the area as the investigation unfolded. 

We will update this story as we learn more details.