Greenland's premier rejected the idea of the United States purchasing the large Arctic island Tuesday after President Trump floated buying the semi-autonomous Danish territory over the weekend.

Kim Kielsen said Trump's idea "is not something to joke about" during a meeting of Nordic leaders in Iceland.

His remarks come a day after Trump tweeted a photo of a Greenland village overshadowed by a giant gold-colored "Trump" building.

An error occurred while retrieving the Tweet. It might have been deleted.

A captioned that accompanied the tweet read: "I promise not do this to Greenland!"

On Sunday, Trump told reporters his administration was considering buying the sparsely-populated island.

“Strategically, for the United States, it would be nice. And we’re a big ally of Denmark, and we help Denmark, and we protect Denmark," he said.

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Denmark's Prime Minister Mette Frederiksen called Trump's interest in Greenland "an absurd discussion" during a Sunday visit to the island. Ane Lone Bagger, Greenland’s foreign minister, echoed those thoughts, saying: “We are open for business, but we’re not for sale,”

Trump is scheduled to visit Denmark next month as part of a European trip.

The Associated Press contributed to this report.