Bison rams elderly man in Yellowstone, flinging him into the sky BBCBison Attacks Tourist at Yellowstone National Park, Tossing Him Into the Air The New York TimesGrandfather recovering from surgery after bison attack at Yellowstone sent him flying CNNWashington man attacked by bison at Yellowstone; Videographer describes viral scene KOMOEast Whatcom community leader hospitalized after bison rampage in Yellowstone Cascadia Daily News
