Victim stopped to assist other boaters.  Boaters unrelated to victim''s party.  Boaters raft was broached on private bridge pylon.  Victim manuvered kayak to raft and grabbed rope attached to raft.  Victim flipped kayak and was entangled in rope.  Boaters and observers pulled victim from water.  CPR initiated.  Ambulance transported victim to hospital.  Resuscitation efforts were unsuccessful.
Columbus                      