A four wheeler accident in Pettis County Thursday afternoon injured two Sedalia teens. Reports indicate 14-year-old Chelsea Moore was riding on a private property in the 30,000 block of Ball Road in Sedalia when she lost control striking a tree. Moore had serious injuries and was airlifted to University Hospital. Her passenger 13-year-old Cheyanne Monteer had minor injuries and was taken to Bothwell Regional Health Center.