
A U.S. official says American forces have boarded a Venezuela-linked sanctioned oil tanker in the North Atlantic after pursuing it for weeks.

European governments including those in France and Germany are working closely on a plan on how to respond should the United States act on its threat to take over Greenland, as Europe seeks to address U.S. President Donald Trump's ambitions in the region.

Travellers planning trips to the Caribbean are voicing trepidation online after the U.S. strike on Venezuela that captured president Nicolás Maduro, while one Latin America expert says it's not a good time to travel to the region.

Questioned over the weekend about how the U.S. government will take over governing Venezuela, Secretary of State Marco Rubio instead shifted the focus to the U.S. blockade of sanctioned oil tankers. CBC News looks at the origins of the blockade, what it entails, whether it's considered legal and just how effective it is.