Mayor Edilberto Molina relocated to a nearby town last year after drug-trafficking guerrillas threatened to kill him. He's not the only Colombian politician forced away by threats from criminal gangs.

The results represent a major shift in the Latin American country's presidential politics that conservatives and moderates had long dominated.

FARC rebels used to chain their kidnap victims in the jungle until they received ransom. Now tourists pay ex-guerrillas hundreds of dollars to take them hiking and whitewater rafting there.