MAKINEN, MN (KDAL) - A Saturday night accident on the Wilson Road in Makinen sent four people to hospitals.  The St. Louis County Sheriff's Office reports that the vehicle left the roadway and rolled over, leaving the occupants trapped inside.  One patient was airlifted to a Duluth hospital, another was taken by ambulance to Duluth and the other two were hospitalized in Virginia.  All are being treated for what is described as non life threatening injuries.