Leftist Colombian President Gustavo Petro has refused to accept the preliminary results, claiming there were 800,000 or more additional voter IDs in the nation's election system than in the electoral census.

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…