Trump-endorsed de la Espriella holds slim lead in Colombia's election as his rival challenges vote

Abelardo de la Espriella, a Trump-endorsed conservative candidate, holds a narrow lead in Colombia's presidential runoff against progressive Iván Cepeda, with Cepeda challenging the results. De la Espriella's potential victory could reverse outgoing President Gustavo Petro's policies, while Cepeda vows to defend social reforms.