More than 20 unaccounted for after Grand Canyon flash flood

More than 20 people may be missing or unaccounted for after a powerful flash flood tore through part of Grand Canyon National Park, destroying footbridges, forcing evacuations and prompting officials to ask the public for help locating hikers who may have been in the area. The flooding struck Bright Angel Canyon and the Phantom Ranch area on Saturday, Aug. 29, around 2:30 p.m., according to the National Park Service. On Sunday, park officials said they were working to account for people who may have been hiking, backpacking or camping in the affected areas when the flood hit. “The National Park...