BARABOO, Wis. (AP) – Sheriff’s officials say a man walking on a highway in Sauk County has been struck and killed. Authorities say the 31-year-old man was walking in the lane of traffic on county Highway BD early Sunday near the Baraboo-Wisconsin Dells Airport and Ho-Chunk Casino. Sheriff’s deputies say the man died at the scene. Investigators don’t believe alcohol was a factor for the driver of the vehicle that struck the man.