Accident near Yankton leaves two dead, one injured Unmute The accident happened on Highway 81 near mile marker 209 South of Yankton. According to police 64-year-old Elizabeth Braunesreither of Mission Hill, S.D. and 30-year-old Samantha Plantenberg of Crofton, N.E. were involved in a head on collision. Both were pronounced dead at the scene. During the collision a third vehicle driven by 24-year-old Blake Johnston of O'Neill, N.E. struck one of the vehicles involved in the fatal accident. Johnston was treated for minor injuries and released from the hospital. All drivers were using seatbelts. The accident remains under investigation by the Cedar County Sheriff's Office.