Colombia’s government and ELN guerrillas resumed peace talks in the Ecuadoran capital on Thursday, more than two months after they were suspended over a spate of rebel attacks.
Ten people were killed when a military helicopter crashed in a remote area of northwestern Colombia on Tuesday, the military said.
UN Secretary-General Antonio Guterres on Sunday praised the "total commitment" of Colombia's government and former FARC rebels to peace-building, as the military blamed a smaller rebel group for bombing an oil pipeline.
After a half-century of armed struggle, the Colombian armed forces and the country's last guerrilla group, the ELN, began on Sunday a historic, if possibly temporary, truce.
Colombia's ELN guerrillas have freed a hostage and the government released two rebel prisoners in exchange, clearing the way for peace talks to begin next week.
The Colombian government and the country's second-largest rebel group, the ELN, announced they would launch negotiations on October 27 in Ecuador's capital, with President Juan Manuel Santos predicting "total peace".
Colombia announced a deal Wednesday to hold peace talks with its last active rebel group, the ELN.