Denmark's foreign minister says he will summon the US ambassador to address a report that Washington's spy agencies have been told to focus on Greenland amid Donald Trump's threats to take over the island.

Danish Foreign Minister Lars Lokke Rasmussen announced on Wednesday plans to summon the American ambassador in Copenhagen. This decision follows an article published by the "Wall Street Journal," suggesting that the United States intends to increase its espionage activities in Greenland.

Denmark summoned the US ambassador in Copenhagen to discuss alleged espionage against Greenland amid a growing push to gain control of the Arctic island.