Several lanes of the 15 Freeway near Corona were closed Saturday night as authorities investigated a shooting on the interstate, authorities said.
The shooting took place near El Cerrito Road, prompting a SigAlert by the California Highway Patrol. The lanes remained closed as of 11:30 p.m., and traffic was jammed for miles.
The Riverside County Sheriff's Department advised drivers to avoid the area Saturday night. The investigation was ongoing, the sheriff's department said in a statement.
At least two people were injured after members of the Hells Angels and Mongols motorcycle gangs began shooting at each other about 6:30 p.m., CBSLA reported.