FRIDLEY, Minn. (WCCO) — Authorities want to know what happened to a man who was found early Saturday morning in Fridley with serious injuries.

Police say someone reported a man laying on the side of the road, just before 3 a.m. Saturday.

They found the 23-year-old man critically injured, on the 7300 block of Highway 65. He was taken to the hospital and the Anoka County sheriff’s department and State Patrol are assisting with the investigation.