Trump-backed de la Espriella holds razor-thin lead in Colombia's election as rival challenges vote

Abelardo de la Espriella holds a narrow lead in Colombia's presidential election runoff with 49.7% of votes, while Iván Cepeda, a progressive candidate, trails with 48.7%. Cepeda plans to challenge results from over 30,000 voting stations, and outgoing President Gustavo Petro has also expressed doubts about the outcome.