At least 80 people are dead and more than 18,000 have been forced to flee their homes in Colombia, officials say, amid fierce clashes between two rival armed groups on the border with Venezuela.

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

Hundreds of Venezuelans gathered on Thursday in Colombia to support opposition leaders ahead of Venezuela's presidential inauguration. The largest demonstration took place in the border city of Cucuta,

Over 100 people have been killed in an outbreak of guerrilla violence in Colombia, predominantly along the Venezuelan border, where thousands of people have been displaced by the worst fighting in years.

The Venezuelan capital Caracas was getting ready on Friday to host the inauguration of President Nicolas Maduro's third consecutive term as leader.

At least 30 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 high-stakes peace talks with one guerilla group.

The US announces an increased $25 million reward for information leading to the arrest of Venezuelas President Maduro on day he's sworn in for a third term.

The United States will also extend temporary protections for roughly 600,000 Venezuelan migrants in the United States.

Electoral authorities loyal to the ruling party declared Maduro the winner hours after polls closed on July 28, but unlike in previous presidential elections, they did not provide detailed vote counts.

At least 80 people are dead and more than 11,000 have been forced to flee their homes in Colombia, officials say, amid fierce clashes between two rival armed groups on the border with Venezuela.

BOGOTA, Colombia—Venezuelan President Nicolás ... Venezuelan President Nicolas Maduro arrives at the National Assembly for his swearing-in ceremony for a third term in Caracas, Venezuela ...

Former Colombian President Álvaro Uribe (2002-2010) called on Saturday for an international intervention in Venezuela, endorsed by the United Nations, to remove Chavista leader Nicolás Maduro from power after his inauguration on Friday.