Hydrothermal Explosion Sends Yellowstone Tourists Fleeing

Extraordinary video captures Yellowstone Park tourists running away from a hydrothermal explosion. The phenomenon took place at Biscuit Basin in Yellowstone National Park. It's a result of pressure built up underground. It sent sightseers running for their lives. Steve and Vlada March were touring Yellowstone when they recorded the spectacular video being seen around the world. Inside Edition's Les Trent has more.