ROCK HILL, S.C. – A pedestrian died after being struck by a vehicle while walking across Interstate 77 in Rock Hill early Sunday morning, according to the South Carolina Highway Patrol. The collision occurred around 4 a.m. on I-77 North near mile marker 78 in Rock Hill. Troopers said a pedestrian was crossing the northbound lanes and was struck by a BMW SUV. The pedestrian died as a result of their injuries. None of four occupants in the BMW were injured. The collision remains under investigation by the highway patrol.