Europe’s military heavyweights have already said that meeting President Donald Trump’s potential challenge to spend up to 5% of their economic output on security would be challenging

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.

NATO chief Mark Rutte said on Monday the alliance's military capability targets may require members to spend as much as 3.7% of GDP on defence but this figure could be reduced with innovation and joint procurement.

NATO boss Mark Rutte said Trump "has been right many times" and played it cool when grilled by members of the European Parliament on the president-elect's Greenland plans.

Europe should welcome rather than rebuff U.S. President Donald Trump's call for other NATO members to ramp up their military spending, Polish Prime Minister Donald Tusk said on Wednesday, stressing the importance of security to the continent.

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.

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.

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 ...

Slovakia’s pro-Russian prime minister has raised the prospect of his country leaving the European Union and Nato, arguing that world events could consign them to the “history books”.

Now, officials are bracing for a potentially changed security landscape under President Donald Trump. He has criticized America's allies and lambasted its intelligence agencies. He's been accused of disregarding secrecy rules and hoarding classified documents.