Britain is discussing with NATO allies how to enhance Arctic security against Russia and China. Transport Secretary Heidi Alexander said Sunday that these talks are routine and not a response to U.S.

Trump’s threat to annex an autonomous part of Denmark has plunged NATO into an unprecedented situation: An alliance based on collective defense now faces the prospect that one member might attack another.

Prime Minister Mette Frederiksen said that if Donald Trump were to attack the Danish island of Greenland that would mean the end of the NATO alliance.

The rhetoric follows a dramatic U.S. raid in Venezuela and revives Trump’s long-standing focus on Greenland, transforming diplomatic discussions into fears of coercion. But U.S. military posture there remains unchanged.

Trump’s refusal to rule out force over Greenland revives tensions with Denmark and raises questions about whether the threat is leverage or a real shift in U.S. strategy toward allies.

Top Trump aide Stephen Miller says it's the "formal position" of the White House that Denmark's territory of Greenland "should be part of the U.S."

The leader of the island's opposition party Nalerak Pele Broberg stated this on air on TV2, News.Az reports. Denmark is about to trigger the

Republican Sen. Thom Tillis (N.C.) and Democratic Sen. Jeanne Shaheen (N.H.), the co-chairs of the bipartisan Senate NATO Observer Group, issued a statement Tuesday urging the Trump administration to “respect the sovereignty and the territorial integrity” of Denmark,