Russian attacks batter Ukraine as Putin warns of 'traitors'

KYIV, Ukraine (AP) - A Russian airstrike ripped apart a theater where hundreds of people have been living in the besieged city of Mariupol, Ukrainian officials said, as Russian President Vladimir Putin called for a 'œself-purification'ť to rid his country of anyone who questions his invasion.

The bombardment Wednesday of the theater, which had become a makeshift shelter as combat tore across the port city over the past three weeks and made thousands homeless, left many people buried in the burning rubble, Ukraine's foreign ministry said in a statement. There was no immediate word on how many people were killed or injured.

At least as recently as Monday, the pavement in front of and behind the once-elegant theater was marked with huge white letters spelling out 'œCHILDREN'ť in Russian, according to images released by the Maxar space technology company.

'œMy heart breaks from what Russia is doing to our people,'ť Ukrainian President Volodymyr Zelenskyy said Wednesday night, hours after he delivered a speech via video to the U.S. Congress that garnered several ovations.

The Russian defense ministry denied bombing the theater or anywhere else in Mariupol on Wednesday.

Russian attacks have battered cities and villages across large parts of Ukraine, including the capital, Kyiv, where residents have been huddling in homes and shelters. Russian troops shelled areas in and around the city on Wednesday, including a residential neighborhood just 2.5 kilometers (1.5 miles) from the presidential palace. A 12-story Kyiv apartment building erupted in flames after being hit by shrapnel.

Putin went on television to excoriate Russians who don't back him, even as both sides expressed optimism over efforts to negotiate an end to the fighting,

Russians 'œwill always be able to distinguish true patriots from scum and traitors and will simply spit them out like a gnat that accidentally flew into their mouths,'ť he said. 'œI am convinced that such a natural and necessary self-purification of society will only strengthen our country.'ť

He said the West is using a 'œfifth column'ť of traitorous Russians to create civil unrest.

'œAnd there is only one goal, I have already spoken about it - the destruction of Russia,'ť he said.

The speech appeared to be a warning that his authoritarian rule, which had already grown tighter since the invasion began on Feb. 24, shutting down Russian news outlets and arresting protesters, could grow even more repressive.

In a sign of that, Russian law enforcement announced the first known criminal cases under a new law that allows for 15-year prison terms for posting what is deemed to be 'œfalse information'ť about the Ukraine war. Among those charged was Veronika Belotserkovskaya, a Russian-language cookbook author and blogger living abroad.

But is also came amid signs that talks were finally making progress.

Russian Foreign Minister Sergey Lavrov said after Tuesday's meeting that a neutral military status for Ukraine was being 'œseriously discussed'ť by the two sides, while Zelenskyy said Russia's demands for ending the war were becoming 'œmore realistic.'ť

Wednesday's talks, held by video, appeared to wade more deeply into technicalities.

Zelenskyy adviser Mikhailo Podolyak said Ukraine demanded a cease-fire, the withdrawal of Russian troops and security guarantees for Ukraine from several countries.

'œThis is possible only through direct dialogue'ť between Zelenskyy and Putin, he tweeted.

An official in Zelenskyy's office told The Associated Press that the main subject under discussion was whether Russian troops would remain in separatist regions in eastern Ukraine after the war and where the borders would be.

The official, speaking on condition of anonymity to discuss the sensitive talks, said Ukraine was insisting on the inclusion of one or more Western nuclear powers in the negotiations and on a legally binding document with security guarantees for Ukraine. In exchange, the official said, Ukraine was ready to discuss a neutral status.

Russia has demanded that NATO pledge never to admit Ukraine to the alliance or station forces there.

Earlier Wednesday, Zelenskyy went before the U.S. Congress via video and, invoking Pearl Harbor and 9/11, pleaded with America for more weapons and tougher sanctions against Russia, saying: 'œWe need you right now.'ť

U.S. President Joe Biden announced the U.S. was sending an additional $800 million in military aid to Ukraine. He also called Vladimir Putin a 'œwar criminal,'ť in his sharpest condemnation since the invasion began.

Although Moscow's ground advance on the Ukrainian capital appeared largely stalled, Putin said earlier that the operation was unfolding 'œsuccessfully, in strict accordance with pre-approved plans.'ť He also decried Western sanctions against Moscow, accusing the West of trying to 'œsqueeze us, to put pressure on us, to turn us into a weak, dependent country.'ť

The fighting has led more than 3 million people to flee Ukraine, the U.N. estimates. The death toll remains unknown, though Ukraine has said thousands of civilians have died.

Speaking to Congress, Zelenskyy said that Russia 'œhas turned the Ukrainian sky into a source of death.'ť But Biden has rejected Zelenskyy's requests to send warplanes to Ukraine or establish a no-fly zone, fearing a war between the U.S. and Russia.

Nowhere has suffered more than the encircled city of Mariupol, where local officials say missile strikes and shelling have killed more than 2,300 people. The southern seaport of 430,000 has been under attack for almost all of the three-week war in a siege that has left people struggling for food, water, heat and medicine.

Using the flashlight on his cellphone to illuminate a hospital basement, Dr. Valeriy Drengar pulled back a blanket to show the body of a 22-day-old infant. Other wrapped bodies also appeared to be children.

'œThese are the people we could not save,'ť Drengar said.

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Associated Press writer Yuras Karmanau, in Lviv, Ukraine, and other AP journalists around the world contributed to this report.

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Follow the AP's coverage of the war at https://apnews.com/hub/russia-ukraine