Thousands of protesters gathered across Denmark on Saturday in solidarity with Greenland amid U.S. President Donald Trump's threat to annex the Arctic island, demanding that the United States respect Greenlanders' right to self-determination.

A bipartisan congressional delegation met with Danish and Greenlandic officials Friday to show support for Greenland's territorial integrity despite President Trump's push to acquire the island.

The footage circulated as U.S. President Donald Trump's administration repeatedly expressed its desire to acquire Greenland (archived, archived), an autonomous territory of Denmark, most of which lies in the Arctic Circle. As of this writing, the Trump administration had not ruled out using military force to take the Danish territory.

The Arctic is fast becoming a flashpoint in a widening transatlantic rift. European NATO allies are moving forces into Greenland as tensions rise over renewed U.S. rhetoric about controlling the island.

The NATO security alliance that has protected Europe for decades finds itself with limited power to determine its own fate due to President Donald Trump’s desire for U.S. ownership of Greenland. Since Trump revived his ambition to claim the semi-autonomous Danish territory after the U.

Trump said Wednesday that anything less than U.S. control of Greenland would be "unacceptable" in a warning to NATO allies.

As NATO prepares for war games around Greenland, Russia is highlighting the Trump administration's disagreement with its closest allies over the island.

U.S. officials will meet Denmark and Greenland officials at the White House on Wednesday to discuss the Arctic island, the semi-autonomous territory, which U.S. President Donald Trump wants to pry from the Danes.