(Washington County, MO.) A man from Cahokia, Illinois, 59 year old Robert D. Poe, is seriously injured after a one vehicle accident involving his all terrain vehicle yesterday afternoon about 5:20 in Washington County. Highway Patrol reports show Poe was driving the vehicle north on a mud trail near the 21,000 block of Highway A when he began to climb a steep hill. The A.T.V. became stuck and overturned backwards throwing Poe off. He was flown to Mercy Hospital South in St. Louis.