Donald Trump has vowed to "100%" follow through on his threat to impose tariffs on European countries who oppose his demand to take control of Greenland, BBC reported. 

European allies have rallied around Greenland's sovereignty. Denmark's foreign minister emphasised the US president cannot threaten his way to ownership of the semi-autonomous Danish territory.

UK Foreign Secretary Yvette Cooper reiterated the UK's position that the future of Greenland is for "Greenlanders and for the Danes alone" to decide, according to BBC.