U.S. President Donald Trump has said the U.S. is "seeking immediate negotiations" to acquire Greenland, deepening the yawning chasm opening up between Washington and its closest allies over the Arctic territory.

Trump advisor Kevin Hassett calls for "cooler heads to prevail" as president threatens Denmark with tariffs over Greenland acquisition deal negotiations.

President Trump's pursuit of Greenland threatens to reignite a trade war with Europe and upend the NATO alliance.

President Donald Trump insists he won't use force to acquire Greenland during his address at the Annual Meeting of the World Economic Forum.

US President Donald Trump escalated his provocative rhetoric on territorial expansion by sharing doctored images suggesting the United States should extend its control over Canada, while renewing calls for Washington to acquire Greenland.

The White House and Denmark contradicted each other in public about what they had agreed to this week as President Trump continued to demand U.S. ownership of Greenland.

This enormous unsecured island is actually part of North America,” Trump said in his speech. “That’s our territory.”

Denmark deploys additional troops to Greenland after President Donald Trump claims the island is not secure from Russia or China.

President Trump’s Greenland envoy, Louisiana Gov. Jeff Landry (R), was disinvited from the territory’s annual dogsled race amid White House rhetoric encouraging the annexation of the self-governing Danish territory.