epa04223560 Colombian soldiers patrol the streets of the Comuna 13 suburbs prior to the presidential elections in Medellin, Colombia, 24 May 2014. Around 32.9 million Colombian voters are called on 25 May 2014 to the polls to elect a new president between five candidates: Oscar Ivan Zuluaga of the Democratic Centre Party, Enrique Penalosa of the Green Alliance Party, current chief of state Juan Manuel Santos, Marta Lucia Ramirez of the Conservative Party and Clara Lopez of the Democratic Pole Party. EPA/LUIS EDUARDO NORIEGA