Rightist leaders across the Americas congratulate Colombia's President-elect Abelardo de la Espriella on his narrow election victory.

De La Espriella, 47, has proposed a tough crackdown on crime, as well as the end to peace talks with armed groups and a boost to Colombia's oil and gas sector.

Colombia's presidential race tightens as right-wing candidate De La Espriella leads, facing economic challenges and a divided Congress.