One killed in early-morning rollover crash near Kingstree The South Carolina Highway Patrol is investigating a deadly single-vehicle crash in Williamsburg County. (Source: Live 5) By Patrick Phillips | March 15, 2021 at 1:06 PM EDT - Updated March 15 at 1:43 PM WILLIAMSBURG COUNTY, S.C. (WCSC) - The South Carolina Highway Patrol is investigating a deadly single-vehicle crash in Williamsburg County. The crash happened at approximately 3 a.m. Monday off Diamond Loop Road approximately five miles north of Kingstree, Master Trooper Brian Lee said. He said a 2002 Honda SUV was traveling north when the vehicle veered of the roadway to the left, overturned in a field.