would give the buses for their families to get safe passage. i think we can see a combination of encirclement, bombardment, probing attacks from the ground but also efforts to reach out and negotiate with the civilian and military leaders inside a city like kyiv. that is really interesting insight, brigadier ben barry, thank you for joining us. this is bbc news. let's have a reminder of the latest on our top story. russia steps up its bombardment of large parts of ukraine, as nato warns the conflict is about to get worse. europe's largest nuclear plant is shelled by russian forces overnight. the fires are under under control. ukraine says moscow is resorting to "nuclear terror". and at ukraine's borders, the refugee queues grow longer, more and more people are trying to flee. sport now with