Colombia has suspended peace talks with the National Liberation Army, or ELN, for second time in less than a year after blaming the rebel group for violence that has been affecting a northeastern region of the country in recent days.

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,