People carry signs during a protest march against Colombia’s President Juan Manuel Santos and the Colombian peace process, in Medellin

People carry signs reading "No more Santos," "No more FARC" and "Not another Venezuela" during a protest march against Colombia's President Juan Manuel Santos and the Colombian peace process, in Medellin, Colombia, April 2, 2016. REUTERS/Eduardo Leal EDITORIAL USE ONLY. NO RESALES. NO ARCHIVE