A full-scale invasion of Poland, in the manner Russia invaded Ukraine, is rather not viable, given Russia's current military capacities, Poland's military build-up and the collective defense guarantees of NATO membership, Michnik said, "however, this reality must not diminish Poland’s ongoing preparation."

Professor Michael Clarke has been answering your Ukraine war questions - scroll down for the best of his answers or watch back in the video below.

Russia has capacity for a limited attack against NATO territory at any time but a decision to act would depend on the Western allies' posture, a top German military official warned.

Military capability of Western alliance remains 'formidable' despite questions around US commitment to untested 'mutual assistance' agreement

Tensions between Russia and the UK have escalated once again after one of its spy vessels in the North Sea was caught shining lasers at RAF pilots in a “deeply dangerous” act of provocation.

The Polish government said it believes that Russian secret services are behind the bombing of a major railway line in the NATO country, in what Prime Minister Donald Tusk described as an “unprecedented act of sabotage".

The Merops -- which can use artificial intelligence to target enemy drones -- is just one of many similar systems that NATO countries are testing

Russia stands accused of sabotage on Poland’s railways. The Kremlin attacked a gas-loaded tanker on the Romania border, forcing the evacuation of several villages in the country. Moscow has repeatedly flown drones into European airspace,