In an interview with David Ignatius at Davos, Finnish President Alexander Stubb argued for an “off ramp” in the crisis over Greenland.

The US president says "no comment" when asked if he will use force to seize the island, as Greenland's PM says "we will not let ourselves be pressured".

World leaders reacted to President Donald Trump's threats to impose tariffs on eight European countries, unless they acquiesce to his push to acquire Greenland.

UK stocks slipped on Tuesday, swept up in a global risk-off mode after U.S. President Donald Trump vowed to slap tariffs on European nations until the U.S. is allowed to buy Greenland.

U.S. futures fell sharply and European markets shed more than 1% on tensions driven by the Trump administration’s new tariff threats over Greenland. France's CAC 40 slipped 1.2% to 8,014.42, while Germany's DAX lost 1.

Henrik Frandsen, member of the Danish parliament, tells ABC News that Trump’s tariffs and comments on the Nobel Peace Prize make little sense and could strain NATO ties.

European shares mostly fell and U.S. stock futures skidded Monday after President Trump threatened to slap a 10% extra tariff on imports from eight European countries because they oppose having America take control of Greenland.

European allies are now heading to Greenland's defense, with several sending military forces to the island to protect against any potential U.S. action.