The incident occurred after 8:30 p.m. at the skatepark next to the viaduct in Bolesławiec. The teenager was riding a bicycle. At one point, he hit the asphalt track. He suffered serious bruising and abrasions to the skin on his face and leg.
Other young people and a woman looked after the boy.
An ambulance was called to the scene. Paramedics took the teenager to hospital.
