the enraged driver plows his car into the crowd of cyclists. a fellow rider captures the heart-stopping moment on camera. elton is among several cyclists hit. >> translator: and before i was able to look back again, the car collided with the back of my bicycle at the beginning of its acceleration, so it didn't hit me with all of its force. but the bike and i were thrown into the air, and i fell to the ground. i was left terrified from what happened, from seeing people lying on the ground. the sound of crying. the other cyclists that weren't run over trying to help those that were run over. some that were even unconscious on the ground. there were bloodstains on the ground. >> fellow riders tend to those who have been struck and ambulances arrive within minutes. in the end, 17 riders are hurt.