A 16 year old girl from Southern Ontario is dead following an ATV accident in Greenstone on the weekend. OPP Constable Shona Camirand says the girl was driving the vehicle at the time of the accident on Saturday evening and was unresponsive when police arrived. The victim is identified as Arlynne Holyer of St. Catherines. Police say an examination of the ATV is still taking place along with follow up interviews.