According to the South Dakota Department of Public Safety, a Frederick man driving north on 391st avenue suffered life threatening injuries following a crash Wednesday night. 42-year-old Taylor Sumption left the road around 10:00 p.m. entering the west ditch and hit an approach. He ultimately landed in an intersection, sustaining serious injuries. The cause of the crash remains under investigation and charges are pending. Sumpion was not wearing a seat belt.