this is bbc news — these are the latest headlines in the uk and around the world. russia says it has opened so called humanitarian corridors as the un says the number of ukraine refugees will shortly breach 2 million. iam in i am in the western city of lviv where the mayor says they are at capacity with the number of people arriving here to flee the fighting. speaking from the ukrainian capital, president zelensky vows to fight on translation: i'm staying here in kyiv, on bankova, not hiding. and i am not afraid of anyone, as long as needed to win this war, our national war