Victims were tubing.  Operator stated they were turning circles to make waves and then pulling the tube back through the waves.  An occupant who was a witness stated the tube bounced into the air and flipped over.  When V1 came back around to the victims they were both injured.  They were taken to Kirby Landing Marina where 1st Responders tended to their injuries.  Both victims were taken to National Park Medical Center in Hot Springs.  Victim 1 was eventually transported to Children's Hospital for further observation due to a large amount of water in his lungs.
KIRBY                         