Denmark's foreign minister summoned the top U.S. diplomat in the country for talks after the main national broadcaster reported that at least three people with connections to President Donald Trump have been carrying out covert influence operations in Greenland.

The aim was reportedly to infiltrate Greenland's society and promote its secession from Denmark.

According to Danish state media, at least three US officials have been observed in Greenland trying to gather information on past issues that have created tension between…