Tornadoes killed at least 17 people on Sunday and Monday. But some managed to stay safe in underground shelters like the one at right in Vilonia, Ark. Karen E. Segrave/AP hide caption itoggle caption Karen E. Segrave/AP Shots - Health News To Survive A Tornado, First Run To Shelter, Then Grab A Helmet April 29, 2014 In a tornado, debris flung by high-speed winds can cause deadly injuries. A sturdy shelter is the best protection, but even lying in a ditch may save your life. Or putting on a bike helmet.