forces are, you might be able to see some dark smoke over the top of the buildings of kyiv. we have seen lee maggie heard some booms of artillery fire. it s never clear which direction it is going on, so fighting is never clear which direction it is. we have heard fighting on the outskirts of kyiv. in the south east, the mayor has urged people to leave immediately. we don t have any more details, but fire crews across the city and region have been battling flames overnight as well. so itjust shows how things can vary, but the overall assessment from us military experts, once again, is that russian advances are continuing to stutter or stall because of mainly logistical problems. poor planning, and that is feeding two schools of thought. the first, the claim from president biden again that russia is considering using biological and