Injuries occurred outdoors on the school campus as a result of a collision between a student on a bicycle and a student on a skateboard. The students were riding at excessive speeds along a pedestrian-only sidewalk — one on the north side of the building and one on the west side. The collision occurred at the northwest corner of the building. The student on the bicycle suffered a sprained ankle and serious cuts to his head. He was transported to the emergency room for assessment of head trauma. The student on the skateboard suffered serious cuts to his left leg and scrapes to his left elbow. He was also taken to the hospital for stitches to repair his leg wounds. Neither student was wearing a helmet or other protective gear. (6 points)