Trump Jr In Greenland On 'Tourist' Day Trip As Father Eyes Territory

But the Republican, who takes office on January 20, set off new alarm bells this week when he refused to rule out a military intervention, sparking astonishment in Copenhagen, Greenland's capital Nuuk and across Europe.

Donald Trump threw out yet another threat of tariffs when he floated hitting Denmark with the economic punishment if it did not consider his proposal for the U.S. to buy Greenland.

During an interview with Fox News, Waltz, who was tapped to serve as Trump's national security adviser, was asked about Trump wanting U.S. control over the Arctic island.

Trump’s Greenland Threat Prompts a Muted EU Reaction