well, we're on the road to the capital kyiv and we've just come across this convoy of ukrainian military vehicles. we've been told that they were hit yesterday. they were obviously heading towards the capital to be part of the defence of the city when there was a russian missile strike. this is an air defence missile system. very, very few cars on the road this morning. we're making a careful approach to the city, checking the information as we go. reports coming out from kyiv talk of air strikes, talk of more sirens, people hiding in basements. it's crucial for moscow's plans to try to get control of the capital, but that may involve street—by—street fighting, and, so far, there is no indication that russian forces have managed to reach the centre of the city, though there are reports that they are in one of the suburbs