RedactedNarrative: Four kayakers were out on river in the boil of cofferdam and water conditions were to strong to handle. Vessel 1 with 2 women capsized and vessel 2 with one man tried to assist the 2 in the water throwing them PFD's and having them hold on to the vessel. Vessel 2 flipped over. Assistance arrived and pulled 2 females from the water and assisted man back into his kayak. The two females were taken to hospital and the one male refused medical assistance. 1 witness. No info on the 2nd women in vessel 1.