Officials from Greenland and Denmark, which controls the semi-autonomous territory, as well as a host of major U.S. allies, have rejected Trump’s push.

President Donald Trump has had his sights set on Greenland for years. He first offered to buy the island, an autonomous territory within the Kingdom of Denmark, in 2019 during his first term in what he described as “essentially a real estate deal.

Background: Britain engaged in discussions with NATO allies about strengthening security in the Arctic region to counter emerging threats from Russia and China. Talks came amid escalating tensions over Greenland following Trump's repeated demands to acquire the Danish territory.

European countries are deploying military personnel to Greenland for a quick mission as the Trump administration is pushing to acquire the Danish territory.

Why does Trump want to take over? How big is Greenland compared to the United States? What you need to know about the autonomous territory of Denmark.

U.S., Danish and Greenlandic officials have met face to face to discuss President Donald Trump’s ambitions to take control of Greenland, a semiautonomous territory of Denmark.

TIME spoke to legal experts about whether Trump could legally pull the U.S. out of NATO and the wider implications.