RedactedNarrative: Vessel 1 towing (2) tubers behind the watercraft. Vessel 2 towing (1) waterskier behind the watercraft. Both vessels end up being on a collision course. They turn to avoid each other and the tubers being towed by vessel 1 slam into the side of vessel 2. The operator of vessel 2 jumps into the water to help the tubers from vessel 1. The operator of vessel 1 rushes his two injured tubers to hospital without getting information from the operator of vessel 2. Eventually I was able to locate the operator of vessel 2. He fully cooperated with the boating accident investigation. Both of the injured tubers were released from the hospital later that day.