RICHMOND >> A BART police officer suffered serious injuries but was expected to survive following a suspected hit-and-run crash involving a big rig early Monday, authorities said.

The officer was in his patrol car about 2 a.m., when somebody collided with him after running a red light, according to a statement from BART spokesperson Jim Allison. The officer was hospitalized.

Richmond police were investigating the incident and said the big rig exited westbound Interstate 580 onto Central Avenue when it hit the patrol car. The big rig did not stay at the scene, and police have not located it.

An ambulance took the officer to a hospital.

Police did not announce any arrests. Information on the vehicle involved in the wreck was not available Tuesday.