Analysis: Russia is facing logistical constraints while Ukraine is reliant on supply from the west
It has been a month since Russia launched its invasion of Ukraine, and such has been the intensity of the first phase of the fighting that both sides in the conflict have increasingly depleted their stocks of ammunition and other military supplies.
But while Ukraine is willing to claim that the Russian invaders have only three days of supplies left, while warning that its own troops are running out of anti-tank and anti-aircraft systems, the reality is hard to measure.