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.

THE HAGUE, Netherlands -- Snow, ice and freezing temperatures hit parts of Europe on Tuesday, causing treacherous traffic conditions that left at least five people dead in France and forcing the cancellation of hundreds of flights from one of the continent’s busiest airports.

After seven days of travel chaos in Western Europe, a winter storm is expected to keep dozens more planes on the ground this weekend. The delays could strand thousands more passengers from around the world. The worst hit airport is the one in Amsterdam, where reporter Indy Scholtens spoke to travelers.

The White House has kept all options for acquiring Greenland on the table, refusing to rule out military action.

More than 1,000 stranded passengers spent the night at Amsterdam's international airport as snow and ice that is pummeling parts of Europe grounded hundreds of flights.

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Hungarian PM Viktor Orbán claims Jewish communities are safer in Budapest than elsewhere in Europe, amid ADL reports of sharp rise in antisemitic incidents.

Severe winter storms have triggered mass flight cancellations across Europe, stranding thousands of travelers at major hubs like Amsterdam and Paris.

Europe, or at least its northern bit, is the land that cash forgot. In Norway and Sweden coins and notes are vanishing into the past alongside Vikings and discontinued IKEA bedspreads. Swedes now use digital payments for 90% of all their purchases;