in the south its aim is to link up its forces along the coast. the city of mariupol has been besieged. the city's maternity and children's hospital was hit in a strike. ukraine calls it a war crime. the city itself is going through this _ the city itself is going through this it — the city itself is going through this. it has been caught off. —— cut off. they have no running water or electricity or gas. all attempts to evacuate its residents to safety have failed. but two million people across the country have managed to flee west into the rest of europe. more than a million have ended up in poland. they are now seeking safety. that's where the us vice president kamala harris has gone for a round of talks with polish leaders. poland's offered the us fighterjets for use in the war against russia. but the us is wary of getting drawn