represents success of the russian forces but certainly it is reframing its objective in terms of what they want to achieve here in ukraine. we're going to have to see how that plays out in the next phase of this war. >> in lviv, thank you. our security and defense editor debra haynes is live in warsaw, where president biden is due to meet with the counterpart in the next hour. poland's reputation across the world and i would say the last 30 days has completely changed, not the least with this symbolic trip from joe biden. >> yes, here, in the old town area of warsaw, and presentations are very much under way for this very important visit, this meeting, and you can probably see behind me, the police cars, with their lights on, the flag of warsaw, the red and yellow of warsaw flag and the blue and yellow flag of ukraine dominate this area. there are people also lining up to see if they get to see anything of the spectacle.