Colombian President Gustavo Petro says he will declare an emergency over the guerrilla attacks in the northeast that have killed dozens of people and forced thousands to flee.

More than 80 people have been killed in just three days in northeast Colombia following failed attempts to hold peace talks with the rebel National Liberation Army (ELN), an official has said.

Violence in northeastern Colombia has left over 80 dead and thousands displaced following failed peace talks between the government and the National Liberation Army (ELN). The attacks occurred in the Catatumbo region near Venezuela's border,