Abelardo de la Espriella and Iván Cepeda, who represent opposite ends of the political spectrum, will move ahead to the June 21 runoff.

Senator Ivan Cepeda is leading two right-wing rivals in the first round of an election dominated by security concerns.

Colombia's presidential election is headed to a runoff after voters delivered a sharply polarised first-round result on Sunday, setting up a contest between hard-right populist…