BOGOTA, Colombia — Former rebel Gustavo Petro narrowly won a runoff election over a political outsider millionaire Sunday, ushering in a new era of politics for Colombia by becoming the country's first leftist president.
Petro, a senator in his third attempt to win the presidency, got 50.48% of the votes, while real estate magnate Rodolfo Hernández had 47.26%, with almost all ballots counted, according to results released by election authorities.
