Exclusive: The bloody foundering of President Gustavo Petro’s ‘Total Peace’ strategy is a ‘national failure’, says Juan Manuel Santos, who ended war with Farc guerrillas in 2016

Colombia risks sliding back into its violent past as armed groups exploit the stumbling peace strategy of President Gustavo Petro, the architect of its landmark 2016 peace deal has told the Guardian.

In a rare interview, former president Juan Manuel Santos warned that gains from the peace agreement with the Revolutionary Armed Forces of Colombia (Farc) are quickly being undone as armed factions exploit negotiation efforts to recruit new combatants and seize control of new land.