A bull bison reminded tourists at Yellowstone National Park Monday why you should never get too close to the park's inhabitants.
A group of about 50 tourists approached a wild bison to get a close look and take pictures, at one point getting within 10 feet of it. The large animal was clearly threatened and charged the crowd, even tossing a nine-year-old girl into the air. The girl was taken to a hospital for treatment and released. The extent of her injuries was not released.