The call did not go well and Trump was aggressive and confrontational with Danish Prime Minister Mette Frederiksen, FT reported.
The more Donald Trump talks about the NATO alliance, the greater the concerns about his commitment to the international partnership.
NATO defence ministers will seek to reach a deal on new capability targets a few weeks before their leaders meet in The Hague on June 24-26, the chief of the bloc's Military Committee, Dutch Admiral Rob Bauer, told Reuters in an interview.
President also plans to ask for "financial contribution" for maintenance of remaining troops, European diplomatic source said.
The Trump administration has asked the three Democratic members of the U.S. Privacy and Civil Liberties Oversight Board, an independent executive branch agency, to resign by end of day on Thursday or face termination,
World leaders congratulated President Donald Trump on his inauguration Monday, with many urging stronger alliances or continued cooperation between their countries and the United States, in carefully crafted social media posts and statements.
Leaders voice wishes to work closely with President Donald Trump as he retakes reins of power in US - Anadolu Ajansı
Trump did not mention Ukraine in his inauguration speech but has told reporters that Vladimir Putin would be destroying Russia by not agreeing to a peace deal.
World leaders, including the heads of NATO and the European Union, congratulated U.S. President Donald Trump, who returned to the White House after
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.