Colombia prepares to go to polls in election shadowed by resurgence of political violence

Sunday's presidential vote is contest between left and right - and between contradictory proposals for dealing with the decades-long armed conflict

Mateo Perez Rueda was one internship away from completing a degree in political science. The 24-year-old also worked as a bicycle delivery rider and sold fruit salads and juice to finance his passion: the Colombian independent digital magazine El Confidente.

On 4 May he travelled to Briceno, in the western province of Antioquia, to report on the long-running conflict between the army, paramilitaries and dissidents of the Revolutionary Armed Forces of Colombia (Farc).