Nato

US and Russia hold 'frank' talks on Ukraine tension

Ukraine hits back at Biden amid Russia tensions

UK says it is sending weapons to defend Ukraine

'We're facing the biggest army in Europe by ourselves' Video, 00:02:04'We're facing the biggest army in Europe by ourselves'

EU 'closest to war' in decades over Russia-Ukraine crisis

Russia and West talk all week but war risk remains

US says Russia faces stark choice after Nato talks

Ukrainians wait as Russia faces off with the West

We will not attack Ukraine, Russia tells US

EU looks for role in Russian row with West

Putin: West must give us guarantees over Ukraine. Video, 00:02:40Putin: West must give us guarantees over Ukraine

UK troops 'unlikely' to defend Ukraine from Russia

Can a solution be found for war in Ukraine's east?

Russia lists demands for defusing Ukraine tensions

EU warns Russia of 'severe cost' over Ukraine

What would be the fallout if Russia invaded Ukraine?

Polish PM: 'We have to wake up from this geo-political nap' Video, 00:03:42Polish PM: 'We have to wake up from this geo-political nap'

Ukraine leader alleges coup plan involving Russians

Nato warning over Russian build-up near Ukraine

Russia to suspend Nato diplomatic mission

Nato expels eight Russians it says were spying