UPDATE, Monday, 10:15 a.m. - Two boaters remain missing after their boats capsized or were swamped this morning.
According to officials at the scene, a Jon boat with two people was swamped or capsized when it got too near Gate 5 of the Cannelton Locks and Dam. Two people in a second Jon boat tried to go to their aid, but their boat, too, was swamped or capsized.
One person from each boat was pulled from the river by rescuers.
Identifications of all four boaters remained unavailable.
Original news story: