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…

Tough-on-crime outsider Aberaldo de la Espriella took the lead in Colombia’s presidential race in the first round of voting Sunday night, setting up a runoff with Iván Cepeda, an…