Colombia elects former rebel as president Gustavo Petro, an ex-rebel fighter and former mayor of Bogota, has been elected Colombia’s first left-wing president Petro is former member of now disbanded M-19 guerrilla group, active from 1974-90 50.44% 11,281,013 votes Gustavo Petro 47.31% 10,580,412 votes Rodolfo Hernández Voter turn-out: 58% of 39m eligible voters Sources: New York Times, Colombia Government Illustration source: Getty Images © GRAPHIC NEWS