Zion National Park officials have provided additional details regarding the flash flood that left one person missing Friday. Multiple hikers were reportedly swept off their feet by a flash flood in the Narrows near the Temple of Sinawava. Later in the evening, the National Park Service received a report of a hiker, who has been identified as Jetal Agnihotri of Tucson, Arizona, who was “overdue from a trip in the Narrows.” Officials say that during the initial response, park rangers found an injured hiker who had been swept downstream several hundred yards. That hiker was taken to the hospital in...