A physical confrontation between two or more parties took place at around 1:35 p.m. on the 101 Freeway near Alameda Street, according to the California Highway Patrol.
That's when the shooting occurred. One person was transported to a local hospital in unknown condition. It was unclear if the person was wounded with gunfire or injured in the physical fight.
The CHP issued a SigAlert at about 2:38 pm. as they investigated the incident. It was cancelled at 4:46 p.m. and all lanes were reopened.
Several people were detained, but it was not clear exactly how many.
No further details were immediately available.