Authorities have released the name of a man killed Sunday when the all-terrain vehicle he was driving struck a tree along a Pierre street. The South Dakota Highway Patrol says 65 year-old John Miller died Sunday after being airlifted from Avera Saint Mary’s hospital to a Sioux Falls Hospital. Miller suffered the fatal injuries Saturday as he was driving a Suzuki A-T-V north along South Cleveland Street. Miller sustained the fatal injuries after striking a tree in the 900 block of South Cleveland. He was not wearing a helmet.