the bloodiest in the war and the situation may be reaching a tipping point. russian forces reportedly have advanced now into the center of the city, seizing a metal plant where ukrainian troops have been holding out for weeks. we just got word a few minutes ago from ukraine s defense ministry for the first time russia is using long-range bombers to attack mariupol. despite that, the u.s. defense official says russia has still not been able to take control of that city. mariupol s payor says as many as 20,000 civilians have been killed in the siege from with nearly 200,000 more trammed in basements and in shelters. this all comes after the flagship of russia s black sea fleet sank late yesterday, dealing a serious military and moral defeat to vladimir putin and the russian forces. the russian defense ministry said the moskva sank aftering