that the town of sumi may have fallen to a russian assault, but they seem to be forming out this a much more straight line ahead, perhaps trying to wait and see what happens in the campaign in kyiv before really going into phase two here, which of course would be deeply worrying for the civilian population because it would be in phase two where the ukrainian armed forces try to regain the initiative, start to put use to put the javelin and the other antitank equipment that they ve been sent recently by the united states, united kingdom to use, don. it is early morning in lviv, a city in western yuukraine. authorities there have ordered a city wide lights out as a preventative measure. tell us what it has been like there, please. reporter: yeah, i mean, here it s been relatively quiet, but people are very aware that things could escalate very quickly. yesterday we heard air raid sirens and just about 15 minutes