devastation and death. near kyiv crews search in the rubble of two high-rise apartment buildings have recovered the bodies of at least 41 civilians so far. and the search is not over. the russian assault is escalating in many areas. we do want to warn you that this video is graphic and you may find it disturbing. this is the northeastern city of kharkiv, where residential areas have suffered a full day of extensive shelling. ukrainian officials say at least five people were killed and more than a dozen injured. but their forces still managed to push the russians back east of the city. in mariupol, a port city under relentless siege since the war began, an official there saying russian forces will stop people from entering or leaving beginning tomorrow. the official warns ominously that the remain men will then be, quote, filtered out. we do want to note cnn cannot independently verify the claims but they come after ukrainian forces in mariupol defied russia s ultimatum to surrender
still not fully under russian control at this hour. that official says a chilling new phase is about to begin, saying that beginning tomorrow russian forces will block anyone from entering or fleeing the city and that the remaining men will be, quote, filtered out. cnn cannot independently verify the claims. but colonel, as russia s war shifts, what do you expect to see in the east? yeah, this is going to be very interesting. the first phase of the war taught us a couple of things. one, we learned that ukrainians aren t scared of pictures of long convoys of russians, right? we tracked a long convoy going down to kyiv for i don t know how many days, only to see that force have to be you know, thwarted by the ukrainians, then ultimately retreat. so i think there s going to be a lot of talk in the coming days and weeks about russian forces moving into the area, armor, artillery, and yes, mass is a key principle of war but so is
the longer it is, the more we would lose. zelenskyy also told jake he would not surrender territory in the east in order to end the war. in mariupol, official there says russian forces announce they will close down the besieged city for entry and exit on monday and warned that the many who remained would be, quote, filtered out. cnn cannot independently verify the claims but come after ukraine forces in mariupol defy an ultimatum by russia to surrender sunday. cnn s matt rivers has more. a russian ultimatum to mariupol s defenders, surrender by 1:00 p.m. sunday, the ukrainians did not listen. our defenders continue to hold the defense, said an adviser to mariupol s mayor in response. now city still has not fallen. there is still our military forces, our soldiers, so they will fight to the end, and as
military vehicles now just hunks of metal, can you imagine walking right by that? ukrainian fighters in the city refuse to surrender as russian forces close in. official there announces the city will be closed off for entry and exit on monday warning that many who stay there will be, quote, filtered out. grammy award winning singer dave matthews talked with jake tapper and has a new song for refugees in ukraine and all around the world. my mom used to always say war is like madness, like a cancer, like cells gone awry. it s suddenly, everything that we really naturally care about, other humans, our family, gets torn apart. and like it s happening right now where you are in ukraine is just unfathomable to those of us
communities in the donetsk and luhansk regions. russia is also intensifying its assault on ukraine s second largest city. and a warning, the video you are about to see contains some graphic images. the northeastern city of kharkiv came came under heavy shelling on sunday. the regional governor says at least five people were killed, 20 were injured. but he says ukrainian forces managed to push the russians back to the east of the city, which could hamper russian supply lines through the donbas region. in the coming hours russian forces are expected to close all exit and entry points into and out of mariupol. an adviser to the mayor says that will leave tens of thousands of civilians with no way to escape. and also warns the men who remain would be, quote, filtered out. cnn cannot independently verify that claim, but we have more now from cnn s matt rivers. reporter: a russian ultimatum to mariupol s defenders. surrender by 1:00 p.m. sunday. the ukrainians did not listen.