US President Donald Trump meets with French President Emmanuel Macron in the Oval Office of the White House in Washington, DC, on February 24, 2025. JIM WATSON / AFP

European leaders on Sunday, January 18 hit back at US President Donald Trump's threat of tariffs over their opposition to his designs on Greenland, with far-right Italian leader Giorgia Meloni urging Washington against making a "mistake."

Trump has made no secret of his desire to seize the vast Arctic island, an autonomous territory of Denmark, since returning to the White House for a second term, and a ramping up of this claim in recent weeks has deeply shaken transatlantic relations.

He again upped the ante on Saturday, threatening to punish eight European countries with tariffs after they sent a few dozen troops to Greenland as part of a military drill.

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