Thousands have fled clashes between armed groups on the border with Venezuela, dashing hopes of peace in Colombia.

A fresh outbreak of guerrilla violence amid a faltering peace process in Colombia has left more than 80 people dead, including civilians, and displaced around 11,000 in just four days, officials reported on Sunday.

Colombian President Gustavo Petro has accused leftist guerillas of committing "war crimes" near the Colombia-Venezuela border. The government has paused peace talks with the group.

Thirty people have been killed in violence between rival leftwing groups near Colombia's restive border with Venezuela, authorities said Friday, prompting the government to suspend peace talks with on

At least 39 people have been killed in violence involving leftwing guerillas near Colombia's restive border with Venezuela, authorities said Friday, prompting the government to suspend high-stakes pea

More than 80 people were killed following the government’s failed attempts to hold peace talks with the National Liberation Army.

At least 80 people were killed in northeast Colombia following failed attempts at peace talks with the National Liberation Army, a Colombian official said.

The death toll from attacks by a rebel group in Colombia's Catatumbo region has risen to 60, the country's human rights office has said. Rival factions have been vying for control of the cocaine trade in the region - which sits near the border with Venezuela - for years.