Demonstrators clash with riot police, during a protest against President Nicolas Maduro, in Caracas on May 8, 2017. Venezuela's opposition mobilized Monday in fresh street protests against President Nicolas Maduro's efforts to reform the constitution in a deadly political crisis. Supporters of the opposition Democratic Unity Roundtable (MUD) gathered in eastern Caracas to march to the education ministry under the slogan "No to the dictatorship." / AFP PHOTO / JUAN BARRETO