Athenstedt (dpa/sa) – Because he was riding a motorcycle without a helmet, a young man suffered life-threatening head injuries in an accident. The 19-year-old hit a curb in Athenstedt in the Harz district on Saturday night for an initially unknown reason and fell, the police said. In the accident in the Halberstadt district, he collided with a fence and then hit his head on the curb, it said.