In a joint statement, leaders of eight countries said they stand in "full solidarity" with Denmark and Greenland. Denmark's Prime Minister Mette Frederiksen added: "Europe will not be blackmailed."
Trump threatens tariffs on Denmark and European allies to pressure negotiations over Greenland acquisition, with rates potentially rising to 25% by June.
In an unusual, strong joint statement from major U.S. allies, Denmark, Norway, Sweden, France, Germany, the UK, the Netherlands and Finland spoke as one.