In recent weeks, Trump has ramped up his attacks on allies. He’s threatened to impose tariffs on Canada, Mexico and the European Union. He’s mocked Canada as the “51st state” and blamed Mexico for fentanyl overdoses in the U.S.

The EU's two leading members were reacting to the US president-elect's plans to acquire Denmark's autonomous territory.

German Chancellor Olaf Sholz issued a warning to Donald Trump on Wednesday, responding to Trump's inability to rule out the use of military force in his quest to acquire the Danish territory of Greenland,