Photos of the Day: A Fire-Walking Festival and Runners
St Moritz, Switzerland
Competitors in the 51st annual Engadin skiing marathon
Photograph: Ennio Leanza/EPA
Iowa, US
Bernie Sanders shakes hands with supporters during a campaign rally at the state fairgrounds in Des Moines
Photograph: Scott Morgan/Reuters
Silao, Mexico
Finnish rally driver Jari-Matti Latvala and co-driver Miikka Anttila compete in the second stage of the FIA World Rally Championship in Guanajuato state
Photograph: Alfredo Estrella/AFP/Getty Images