At least 80 civilians have been killed amid a surge of violence between rival rebel groups.

The unusually deadly violence delivers a devastating blow to the “total peace” program of the country’s first leftist president, Gustavo Petro.

Clashes between armed groups in Colombia have led to some of the worst violence in the country in years. By Julie Turkewitz Reporting from Bogotá, Colombia At least 80 people are dead and more than 18,