The president shared a private message from France's Emmanuel Macron, part of a flurry of activity as he added new fuel to his clash with Europe over the Arctic territory.

"I no longer feel an obligation to think purely of Peace," the president wrote in an extraordinary message to the Norwegian prime minister.

President Trump fired off a series of Truth Social posts doubling down on his plans for the Danish territory.

The Dow tumbled 870 points on Tuesday as investors assessed the impact of Trump's intensifying push to take control of Greenland.

The president fired off a series of posts well after midnight that included private messages from world leaders.

US President Donald Trump has joined press secretary Karoline Leavitt at the White House press briefing on Tuesday. Trump is speaking before he travels to Davos, where he will attend the annual gathering of political and business leaders at the World Economic Forum.

Trump has argued that the Arctic island is critical for U.S. security given threats posed by Russia as well as China.

European Parliament Member Anders Vistisen confronts President Donald Trump's Greenland interest with profanity-laced rebuke, drawing official reprimand from parliament leadership.