Watch: Bison flings man 8 feet into air in dramatic attack at US Yellowstone National Park

A man suffered serious injuries after a charging bull bison hurled him nearly eight feet into the air at Yellowstone National Park in the United States on Friday, according to an eyewitness who filmed the attack.The incident occurred at the Bridge Bay Campground when the victim and his grandson were taking an evening walk. Photographer Mike MacLeod, who was camping nearby, said the pair had kept a considerable distance from the animal before it suddenly charged.A video circulating on social media also shows the bison running around and ultimately targeting the man and throwing him into the air.MacLeod said the bull had already been moving aggressively through the campground, forcing several visitors to scatter, before it eventually targeted the two pedestrians.