c, w correspondent, nick connelly joins us from keith so. so nick, ukraine has been sounding increasingly urgent about the situation in back. more can you bring us up to date on the fighting there to we just heard from one of ukraine's top generals who said that the russians are basically throwing everything they have at, but not including some of their best prepared units that this has been on the caused some time now, but it does seem increasingly desperate for ukraine's defenders or did you. but what we understand by some of waterleaf, there's only one remaining route in and out from ukrainian control cherokee. up to recently there were 2, and there has been a lot of talk of getting out while it's still possible avoiding being in circles. we understand the u. s long pressure and key of to get out. they think that basically the kind of cost benefit analysis doesn't work out. the basic ukraine can't do enough damage to russian forces at, you know, reasonable price and cost to itself in terms of, you know, people on the ground and tech. so t