country s borders. welcome to the show, everyone. it is now 8:00 a.m. in lviv, ukraine, and we re getting a clearer picture about russia s goals in ukraine. russia s military now confirming its objective is to take full control of ukraine s black sea coast. and key to that is a city that we ve been talking about for days now of mariupol, where an unknown number of ukrainian troops as well as civilians are trapped inside a large steel factory, a large steel complex as you can see it on your screen. ukraine s prime minister spoke about the dire situation as he met with u.s. officials in washington. have a listen. the situation in mariupol is terrible. this is the biggest humanitarian catastrophe during this and maybe during last centuries because many thousands of people, maybe many thousands of people are died in mariupol, and we will see the terrible atrocities and terrible war crimes in mariupol when it will be liberated from russians. that s the situation in mariupol.
for a push north. at the same time the russians are trying to push south from its u izyum. if they could join them up, they would be able to circle the bulk, and that is something ukrainians say they re aware of, they re particularly worried about, but they re saying they ve got preparations to deal with it. sam kiley, cnn, in dnipro. thanks, sam. as sam was just mentioning, the city of mariupol is battered, really charred, and in parts flattened. evacuating a city is often a perilous act, thanks of course to the constant russian bombardment. matt rivers spoke to a few families who made it out on friday. reporter: the train was designated just for evacuees. if all went to plan, it would arrive here to lviv packed with hundreds fleeing war. instead, just a handful of families finally found safety, including polina and her