That’s why NATO might have to get involved ... we really need Greenland for national security. It’s very important,' Trump said in front of NATO Secretary-General Mark Rutte.

In a rare show of unity, party leaders say they "cannot accept the repeated statements about the annexation of Greenland."

Greenland’s leaders issued a sharp rebuke of Donald Trump’s renewed calls to annex it Thursday, after the president once again expressed his desire to take over the Arctic island.