RedactedNarrative: VICTIM WAS FLOATING DOWN RIVER AND FELL OUT OF A 2 PERSON KAYAK. VICTIM WAS CAUGHT UP IN A DOWNED TREE AND DUE TO AN UNKNOWN REASON, WENT UNDER WATER FOR APPROCIMATELY 5 TO 10 MINUTES. VICTIM WAS FOUND FACE DOWN IN THE WATER AND REMOVED.  CPR WAS STARTED BY BYSTANDERS.  VICTIM WAS TRANSPORTED TO THE PUBLIC ACCESS RAMP WHERE AN EMS AMBULANCE TRANSPORTED THE VICTIM TO ST JOHNS HOSPITAL IN TULSA.  THE VICTIM DIED AT APPROX 1826 HOURS ON 09-03-2018.