Whether Abelardo de la Espriella or Iván Cepeda wins in June could have significant implications for U.S.-Colombia ties.

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…

In a surprisingly strong performance, right-wing outsider candidate Abelardo de la Espriella will face leftist candidate senator Iván Cepeda in a June runoff election to decide…