A pedestrian is dead after being struck by a vehicle on Alabama Highway 77. The accident happened about 10:35 PM on Saturday, three miles north of Attalla. State troopers say that Adam Vaughn of Attalla was struck and killed by a 2010 Ford driven by Jacob Shull of Boaz. Vaughn was pronounced dead at the scene. Shull was not injured. Troopers are continuing the investigation.