“ICYMI — Two people were found clinging to a tree in the middle of the Potomac River, near the edge of a waterfall, after being separated from their small boat,” he said in a May 19 post on X.

Two boaters were rescued from a treacherous predicament on a raging river in Maryland, officials said. Rescuers found the pair clinging to a tree in the middle of the Potomac River on Saturday ...