U.S. Attack to Seize Greenland Would End NATO, Danish Prime Minister Says NYT Par :Amelia Nierenberg and Maya Tekeli 6 janvier 2026 à 14:51 Prime Minister Mette Frederiksen said President Trump’s threats “should be taken seriously” and warned against action to annex the semiautonomous Danish territory. © Mads Claus Rasmussen/Ritzau Scanpix, via Agence France-Presse — Getty ImagesPrime Minister Mette Frederiksen of Denmark said that the United States had “no right to annex” Greenland and that the island was not for sale.