Interest in buying Greenland has "popped up from time to time in American politics," Tom Høyem, Denmark's former minister to Greenland, told ABC News in an interview.

Anders Vistisen, a Danish member of the European Parliament, has told U.S. President Donald Trump to "f*** off" after Trump again expressed interest in purchasing the island of Greenland. Newsweek has contacted the White House for comment via email.

US President Donald Trump has ridiculed Denmark’s attempts to defend Greenland with additional patrols including two extra dog sleds as he insisted America would take control of the strategically crucial Arctic island.

Denmark would need to offer Greenland to the UK first before the island could be sold to Donald Trump, it has emerged. An agreement dating back to 1917 means Britain has first refusal on the Arctic island if current owners Denmark decide to sell it, according to Tom Høyem, Copenhagen’s representative in Greenland from 1982 to 1987.

President Trump still wants to acquire Greenland, and now the Danish leader is taking him seriously. US President Donald Trump announces deployment of troops to southern border How Long Does It Take the Average Person to Walk 10,

Donald Trump has expressed confidence that the United States will eventually take control of Greenland after reports surfaced of a contentious phone call with Danish Prime Minister Mette Frederiksen.

President Donald Trump reiterated his interest in Greenland during a discussion with reporters aboard Air Force One.