More than a dozen people feared missing in Grand Canyon flash floods

More than a dozen people are feared missing after powerful flash floods swept through the Grand Canyon, the National Park Service said Sunday. One hiker recounts being airlifted from the campground after the floodwaters forced dozens of people to evacuate. NBC News’ Dana Griffin has the latest.

More than a dozen people are feared missing after powerful flash floods swept through the Grand Canyon, the National Park Service said Sunday. One hiker recounts being airlifted from the campground after the floodwaters forced dozens of people to evacuate. NBC News’ Dana Griffin has the latest.