Russia on Thursday rejected the idea of NATO countries sending peacekeeping troops to Ukraine in the event of a ceasefire in the war with Russia, saying such a move would threaten to cause an "uncontrollable escalation".

NATO Secretary-General Mark Rutte has warned that a Russian victory over Ukraine would undermine the dissuasive force of the world’s biggest military alliance and could cost trillions of dollars to re

The NATO secretary general said the alliance needs to urgently step up development and production.

Any attempt to get Ukraine into Nato will run into a “buzz saw” in Washington unless Europe pays for it, a top diplomat for Donald Trump has said.

NATO Secretary General Mark Rutte reaffirmed on Thursday the need to step up support for Ukraine, adding it was vital Russia did not win as it could result in Russian President Vladimir Putin 'high fiving' the leaders of North Korea and China.

Donald Trump said he would impose high tariffs and further sanctions on Russia if it continued its "ridiculous war".

NATO Secretary-General Mark Rutte warned that restoring the alliance's credibility after a Russian victory in Ukraine could require trillions of dollars.

Ukrainian pilots are using skills that the West has let atrophy, an ex-US F16 pilot said.

At a meeting in Davos, NATO allies faced pushback on the idea of extending membership of the alliance to embattled Ukraine.

The British navy said Wednesday that is ramping up measures to protect its waters from secret Russian operations after identifying a Russian spy vessel in UK waters for the second time in weeks.

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