A Lancaster County man died before dawn Saturday in a hit-and-run incident on Jefferson Highway near Taxahaw Road, and authorities are asking the public for help finding the driver of the car.

The victim, 36-year old Chad Russell Hill of Ross Cauthen Road, suffered severe head injuries when hit by a vehicle, according to Lancaster County Coroner Karla Deese.

Cpl. Bill Rhyne of the S.C. Highway Patrol said Hill had been walking in the eastbound lane of Jefferson Highway at about 5:45 a.m. when a vehicle heading east struck and killed him.