A Mapuche Indian activist is detained during a protest in support of Santiago Maldonado, an Argentinean...
A Mapuche Indian activist is detained during a protest in support of Santiago Maldonado, an Argentinean citizen who according to media is missing since clashes with the police in the Argentinian Patagonia region, in Santiago, Chile August 17, 2015. REUTERS/Carlos Vera TPX IMAGES OF THE DAY