REDLANDS (CBS) — An investigation along Interstate 10 in Redlands prompted authorities to close a portion of the freeway for 4.5 hours Thursday.

Redlands police closed two lanes of the westbound lanes between California and Alabama streets in order to search for clues and evidence related to a car-to-car shooting that took place around 3 a.m. Thursday.

Officials say a man was shot through his car door and suffered injuries requiring surgery. His condition is unknown.

Police have not released a description of the suspect or vehicle.

All lanes of I-1o were reopened around 2:30 p.m.

Anyone with additional information on the shooting is asked to contact Detective Tony Ortiz at (909) 798-7659 or Redlands Police Dispatch at (909) 798-7681.