U.S. President Donald Trump has promised to implement further tariffs on imports of goods from some European countries until the U.S. is allowed to acquire Greenland, a move that could send a jolt through financial markets when they reopen on Monday.

European leaders warn of a ‘dangerous downward spiral’ as they stand united against U.S President Donald Trump's threat to impose tariffs on countries that resist his bid to take over Greenland.

Europe is putting up a united front against President Donald Trump’s threat of a takeover of Greenland, condemning his recent move to impose tariffs over its support for the Arctic island and reportedly preparing massive retaliatory tariffs in response.

European leaders on Sunday slammed US President Donald Trump's threat of tariffs over their opposition to his designs on Greenland, warning transatlantic ties were at risk.

US President Donald Trump’s trade threats toward European governments over Greenland raise the possibility the latter may trim their holdings of US assets, supporting the euro, according to a Deutsche Bank AG strategist.