North Korean troops are fighting Ukrainians in Russia, while Ukraine has finally been permitted to use US missiles deep into Russian territory.

It’s over 1000 days since Vladimir Putin’s full scale invasion of his neighbour and the circle of those involved in the conflict seems to widen. But though the situation changes the central question doesn’t. That question being which side can best stay the bloody course of this war? Ukraine and the West or Russia and its allies? Where do things stand now?

Michael Clarke, Visiting Professor in the Department of War Studies, King’s College, London and former Director of the Royal United Services Institute

Presenter: David Aaronovitch