A Livermore High School student was killed and five other teens injured when the pickup they were riding in rolled off Mines Road and down a 200-foot embankment f.
Two of the injured were airlifted to area hospitals while four others were taken for treatment via ambulance, according to the Alameda County Fire Department.
A vigil is planned for the male student killed in the crash. Injuries for the other occupants ranged from major to minor, officials said.
Emergency personnel were alerted to the crash by a witness who picked up a cell phone lost by one of the victims and using it to call for help at 11:25 p.m.
Officers arrived to find the aftermath of the crash at Del Valle Road and Mines with the wreckage of a truck several hundred feet down an embankment.