Hikers airlifted after bear encounter in Yellowstone – CNN

Hikers airlifted after bear encounter in Yellowstone  CNNTwo hikers injured in US bear attack on Yellowstone trail  The GuardianHikers injured by bear in Yellowstone National Park  National Park Service (.gov)‘Help Me, Help Me’: Hiker Finds Yellowstone Grizzly Attack Victim, Calls 911  Cowboy State DailySecond Close Call in Two Weeks at Major U.S. Airport  The Daily Beast