The man killed in an apparent hit-and-run accident in downtown San Antonio has been identified by the Bexar County Medical Examiner's Office.

The body of 30-year-old Sean Watson was found in lying on the road at the intersection of East Commerce Street and Mesquite around 4 a.m. Sunday. 

A passerby noticed Watson's body and drove to a fire station to for assistance.

San Antonio police believe the man was struck by a vehicle and the driver fled the scene.  

Police said they have not been able to find any witnesses to the crash and have no suspects.