Denmark’s foreign affairs minister Lars Løkke Rasmussen sounded surprised and emotional as he addressed a press conference on May 7. He announced he would call in the acting head of the US embassy in Copenhagen, Jennifer Hall Godfrey, over highly charged allegations that Washington has instructed its intelligence agencies to step up espionage on Greenland and Copenhagen.

According to the Wall Street Journal, US intelligence operatives have been asked to collect information on Greenland’s politicians, independence activists and mining interests that could be leveraged in a potential purchase or coerced transfer of Greenland to the US.

Greenland is a semi-autonomous Danish territory that Donald Trump has stated he would like to become part of the US. The US State Department has refused to comment on the allegations and the director of national intelligence, Tulsi Gabbard, said she was opening an investigation into leaks of classified information.

This looks like a large powerful nation doing all it can to undermine an ally and fellow member of Nato, which is why the Danes are so affronted.

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The real surprise of the story is that it became so public. But this drama comes at a time of increasingly frosty relations between Denmark and the US, made worse by a visit by

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