Oregon authorities are intensively searching for two individuals who went missing following a tragic waterfall incident near Bend. The accident occurred at Dillon Falls on the Deschutes River, leading to one fatality and the rescue of three others. Rescuers are employing various methods including divers, boats, drones, and dogs amid challenging river conditions to locate the missing individuals. The swift water flow and hazardous terrain make survival unlikely after being swept over the 15-foot falls. Investigations are ongoing to determine the details of the incident and the flotation devices used by the group. Those participating in river activities are reminded of the dangers posed by the waterfalls in the area.