Traffic on the Bay Bridge was backed up late Sunday due to police activity, according to the California Highway Patrol.
Lane 5 of the bridge was closed on the Oakland side of the bridge because of the police activity. Lanes 1-4 remained open, the CHP said.
Initially, all lanes of the span were closed at about 4:25 p.m. At about 5:10 p.m., four lanes were reopened, the CHP said.
No further details were available.