Donald Trump has frequently spoken about the need for NATO allies to increase the amount they spend on defense.

Anders Vistisen, a Danish conservative member of the European Parliament, said he has no regrets about telling Donald Trump to “f**k off” over the U.S. president’s talk about America somehow taking control of Greenland, which for centuries has been part of the Danish kingdom.

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.

NATO Secretary General Mark Rutte told members of the security alliance to boost defense spending or prepare to learn Russian. Speaking at the European Parliament in Strasbourg, France, Monday Rutte told European lawmakers that they have to urgently ...

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

The EU needs to rethink its spending priorities to boost defense budgets, NATO's new Secretary-General Mark Rutte told the European Parliament on Monday. "On average, European countries easily spend up to a quarter of their national income on pensions ...

NATO Secretary General Mark Rutte has stressed in his conversation with European Parliament members that he believes defence spending at a level of 2% is insufficient to ensure the safety of allies in the next four to five years.

NATO and its eight Baltic Sea allies say they are stepping up efforts to deter 'any attempts at sabotage' in the wake of a series of incidents that have damaged key undersea power and telecommunications cables.

In March 2010, the Bundestag (German parliament) by a majority vote gave the government the go-ahead to negotiate with Washington the removal of US nuclear weapons from Germany. However, the then Cabinet of Ministers announced that it would not take any unilateral action without consent from NATO partners.

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

US President Donald Trump lashed out at the European Union on Thursday during his first major speech to a global audience since starting his second term in the White House, reinforcing worries in Brussels about the future of EU-US relations.