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Three eastbound lanes are now open on the Bay Bridge after a high-speed crash and shooting on the lower deck early this morning prompted the shutdown of much of the roadway, a California Highway Patrol officer said. The crash occurred at about 2 a.m. at the S-curve, east of Treasure Island.  

A shooting followed the crash, but authorities are not yet releasing details on the incident, CHP Officer Michael Ferguson said. 

Two people inside the car that crashed were transported to a hospital to be treated for injuries suffered in the collision, Ferguson said. 

All eastbound lanes on the bridge were briefly blocked after the crash. The CHP reopened the lanes but then shut them down again around 4:30 a.m. Most lanes remained closed until shortly after 8:30 a.m. when three lanes were cleared. 

All lanes are expected to be reopened by 10:30 a.m., Ferguson said. 

San Francisco police and the CHP are investigating the incident.