Two people were seriously injured in a one vehicle accident saturday afternoon north of Summersville. The Highway Patrol reports that 55 year old William Leggett of Houston and 22 year old Mary Sloan of West Plains were both injured when Leggett lost control f the pickup he was driving, and drove off the road and overturned the pickup. Sloan was ejected from the vehicle. The accident happened on county road 349 about 7 miles north of Summersville.