With the election of Abelardo de la Espriella, an ultra-right-wing outsider has won the presidential runoff in Colombia for the first time. The tight victory marks a political shift and could trigger new conflicts.

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

Right-wing presidential candidate, Abelardo de la Espriella, won 49.65% of the Colombians' votes, according to preliminary results. Outgoing President Gustavo Petro said "neither…