Terrorist Operation By News Today

>> translator: it is more like not a war but a terrorist operation by russia against mariupol and the people of the city. >> reporter: matt rivers, cnn, lviv, ukraine. >> a truly dire situation you are witnessing inside mariupol. meanwhile, a gruesome example of russian soldiers brutality is allegedly caught on tape. ukrainian military intelligence says it intercepted russian communications giving an order to kill ukrainian pows, specifically those in the luhansk region, which is bearing brunt...

Have limited supplies here, and we are trying to share everything with civilians. but russia claims it will use -- we use them as -- as a human shield. its bull [ bleep ]. its complete bull because, you know, the real military doesnt do this. >> reporter: and even outside the steel plant in areas firmly under russian control, tens of thousands of civilians that need to be evacuated cannot. only a fraction managed to leave in the last few days. some seen here, arriving in the ukrainian city of za...