 Cass County authorities are asking for help in locating a vehicle involved in a hit and run collision with a pedestrian on Sunday. Authorities say a 37-year-old woman suffered serious injuries and was airlifted to a Fargo North Dakota hospital. The collision happened just before midnight near Onigum on County Road 13. When deputies arrived at the scene, the vehicle was no longer there. The Cass County Sheriff's Office, the Minnesota State Patrol, are investigating the crash and requesting assistance in locating the vehicle involved. The maker model is unknown but most likely has passenger side damage with a possibly a broken mirror or broken passenger window. Anyone with information is encouraged to contact the Cass County Sheriff's Office at the number on the screen. If you enjoyed this segment of Lakeland News, please consider making a tax-deductible contribution to Lakeland PBS.