Battle of Kyiv: A war correspondent's account

The sprawling city of Kyiv is now all but lifeless, as Vladimir Putin's brutal war draws ever closer to the centre of the Ukrainian capital.  It's thought about half of the historic city's three million residents have fled, while many of those who remain are there to fight.  Today, Lyse Doucet, the BBC's chief international correspondent in Kyiv, on why Putin's war is an attack against us all, and why she stays to tell the story even while journalists are dying. Featured:  Lyse Doucet, BBC chief international correspondent, Kyiv