On February 24^th 2022 Russia invaded Ukraine. Air strikes were swiftly followed by tank movement towards Kiev and other Ukrainian cities. War in Europe. People fled in their droves, many were wounded and many have lost their lives. How could this happen? Why did Putin decide to take that step? Could the attack have been prevented? And how do the Ukrainian people manage to put up so much resistance and for so long? Gwendolyn Sasse, an expert on Eastern Europe, presents the background to this conflict and sets out the course of the war, asking what it could mean for Russia, for Ukraine, and for the West.