John Otis

The U.S. administration has reinstated sanctions on Venezuela's oil and gas sector, accusing President Nicolás Maduro of failing to commit to free and fair elections.

Venezuela faces a deadline this week to commit to holding free and fair elections or face the return of US oil sanctions.

Opposition candidates unable to register or stand in the election, and now fears that many potential voters will be unable to register at all. Is Venezuela's election turning into a farce?

Venezuela's opposition has united around a proxy candidate amid an ongoing repression of their leader by the government ahead of July's presidential election.

The tale of cycling mad Colombia's best known cyclist — he may never have won a major race — but he's a social media sensation in a country that takes cycling very, very seriously.

Venezuela's election board says voters on Sunday approved a referendum called for by the government to claim sovereignty over an oil- and mineral-rich piece of neighboring Guyana.

Venezuela and neighboring Guyana are at loggerheads over Venezuela staking a claim on more than half of Guyana's oil-rich territory. On Sunday, Venezuela will hold a referendum to uphold its claim.

Venezuelans attempt to tackle the massive oil slicks that are clogging up one of South America's largest bodies of inland water — by using human hair.

Venezuela's authoritarian regime has just banned the most popular opposition candidate of standing in next year's election. As recent history has shown, that might not work in their favor.

The father of Colombian soccer star Luis Diaz was freed earlier this week, after he was abducted by a guerrilla group.

Millions of Venezuelans have migrated to escape authoritarian rule and their country's worst economic crisis. For the first time, they're the largest group detained for entering the U.S. irregularly.

In an effort to promote a free election in Venezuela, the U.S. government is offering the autocratic government of Nicolas Maduro a deal. But already it's facing challenges.

Millions of Venezuelans have left their country to escape authoritarian rule and economic collapse. We tell the story of one family headed to the U.S.

Venezuela's opposition are holding a primary to elect the candidate who will take on President Nicolas Maduro in next year's elections. The Maduro government is not making campaigning or voting easy.

Venezuelans continue to leave their homeland in record numbers. It is the largest refugee exodus ever recorded in the Western Hemisphere.

Colombia's capital is home to 11 million people — and to some of the worst traffic jams in the world. Now Chinese companies are building its first metro line.

Mayor Edilberto Molina relocated to a nearby town last year after drug-trafficking guerrillas threatened to kill him. He's not the only Colombian politician forced away by threats from criminal gangs.

Reporter John Otis catches up with one Colombian mayor who faces so many threats from criminal groups — that he's been forced to govern — largely from exile.

When you're stuck in the traffic, think of Bogotá. One study claims the Colombian capital has the world's worst rush-hour traffic. After more than 80 years of vacillating, Bogotá is getting a metro.

Colombian artist Fernando Botero has died at the age of 91. "I don't paint fat women," he once told Spain's El Mundo newspaper, "I am interested in volume, the sensuality of the form."