Building 600 News Today

>> translator: the combat potential of armed forces of ukr ukraine make it much more capable for the liberation of donbas. >> reporter: video now emerging from the attack in mariupol, an adviser to the mayor says about 300 people were killed while sheltering inside when the russians bombed the building. 600 survived, the adviser says. even as the russian word for children was written outside. russia denies targeting the building. elsewhere in the city, video showing makeshift graves on a residen...

Russia, perhaps moving its goalposts. top general says the first stage of the operation is nearing completion. so far, he says 1,351 russian troops have been killed, a number far lower than the up to 15,000 dead that nato officials estimate. the general says russian forces will now focus on liberating part of southeast ukraine, controlled by russian-backed separatists. >> translator: the combat potential of the armed forces unify crane has been considerably reduced which makes it possible. i emp...