The call did not go well and Trump was aggressive and confrontational with Danish Prime Minister Mette Frederiksen, FT reported.

President also plans to ask for "financial contribution" for maintenance of remaining troops, European diplomatic source said.

The more the Republican president talks about the NATO alliance, the greater the concerns about his commitment to the international partnership.

Yesterday, a Department of Homeland Security, Acting Secretary Benjamine Huffman, expanded the group of federal law enforcement officers who can investigate and apprehend the immigrants. It wasn't immediately clear how many officers would be reassigned to immigrant enforcement.

Sir Keir Starmer is facing pressure from European leaders to join a €500 billion defence scheme, amid threats to Nato by Donald Trump.

Congress passed legislation that a president cannot unilaterally withdraw from NATO, setting up a major legal fight if Trump tries to pull the US out.

Germany met NATO's target to spend 2% of its gross domestic product on defence in 2024, the government said on Monday, though well short of incoming U.S. President Donald Trump's call for as much as 5%.

Anders Vistisen, a Danish member of the European Parliament, has told U.S. President Donald Trump to "f*** off" after Trump again expressed interest in purchasing the island of Greenland. Newsweek has contacted the White House for comment via email.

Donald Trump insisted he was serious in his determination to take over Greenland in a fiery telephone call with Denmark’s prime minister, according to senior European officials.

Trump may see major international conflicts that exist today as signs of "American weakness” during President Joe Biden’s term. That's why he's looking to expand US global power

The president will cap off a frantic week of executive orders and travel across the country with a rally in Las Vegas on Saturday.