Ice was gumming up the works. They blew it up. Explosives took out 500 feet of ice in the Missouri River just south of the flooding point, which may lessen the level of the could-be-record-breaking North Dakota flood. They’re not out of the woods yet, though, and 1,700 people have already been evacuated from low-lying areas. Did it work? “We are cautiously optimistic,” said Bismarck Mayor John Warford. source