Members of the Poteau Police Department along with Poteau and Shady Point Fire Departments and LeFlore County EMS were called the the scene of a serious one vehicle accident just north of Poteau on State Highway 59 this evening shortly after 6 p.m. According to witnesses at the scene the accident occurred when a 16-year-old female was thrown from her horse near the Arena Steakhouse. The horse reportedly then ran from the Arena to Hwy. 59 and into traffic where it was struck by a vehicle driven by a Shady Point man traveling southbound towards Poteau.