Video shows bison charging at 65-year-old man at Yellowstone National Park

A bull bison chased a 65-year-old man through the trees and flipped him 8 feet into the air at Yellowstone National Park. A photographer who recorded the incident says the man was about 100 yards away with his grandson when… A bull bison chased a 65-year-old man through the trees and flipped him 8 feet into the air at Yellowstone National Park. A photographer who recorded the incident says the man was about 100 yards away with his grandson when…