Greenland prepares for an uninvited guest as JD Vance set to visit Arctic island today

US Vice President JD Vance is on Friday due to tour a US military base in Greenland, a visit viewed by Copenhagen and Nuuk as a provocation amid President Donald Trump's bid to annex the Danish territory.

Trump insisted on Wednesday that the United States needed the vast Arctic island for national and international security, and has previously refused to rule out the use of force to get it.

"We have to have it," he said.

Danish and Greenlandic officials, backed by the European Union...