Danish Prime Minister Mette Frederiksen called Thursday for increased Arctic defense collaboration with the United States during a visit to Greenland, and firmly dismissed the US desire to annex the semi-autonomous Danish territory.

Denmark’s prime minister has told the U.S. during a visit to Greenland that “you cannot annex another country,” even with the argument that international security is at stake.

Danish Prime Minister Mette Frederiksen slammed the U.S. on April 3 for its repeated threats to take over Greenland. "You cannot annex another country... Not even with an argument about international security,