The mayor of the encircled Ukrainian city of Mariupol said more than 5,000 civilians, including 210 children, have been killed during the monthlong Russian siege.

Vadym Boichenko said Wednesday that Russian forces bombed hospitals, including one where 50 people burned to death, and have destroyed more than 90% of the southern port city’s infrastructure.

“The world has not seen the scale of the tragedy in Mariupol since the existence of the Nazi concentration camps. Russia-occupation forces turned our entire city into a death camp,” Boichenko said, according to the Ukrainian news agency Interfax. “This is the new Auschwitz and Majdanek.”

Boichenko’s estimates of the fatalities in Mariupol come on the same day the U.S. imposed sweeping new sanctions on Russia that include targeting Vladimir Putin’s two adult daughters in response to atrocities in Ukraine that the White House has called war crimes.

Maria Vorontsova and Katerina Tikhonova, two daughters of the Russian leader and his ex-wife Lyudmila Shkrebneva Putina, face full blocking sanctions that will cut them off from the U.S. financial system and freeze any assets they may hold in the U.S. The administration believes many of Putin’s assets are hidden with family members.

Sanctions also target Russian Foreign Minister Sergey Lavrov’s wife and daughter. The new wave of sanctions on Russian elites add to the 140 other oligarchs and Kremlin officials already hit with sanctions since Russia invaded Ukraine on Feb. 24.

“We’re going to keep raising the economic costs and ratchet up the pain for Putin,” President Joe Biden said.

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Latest developments

►A North Dakota farmer jailed in Ukraine since November has been moved from Kyiv to Lviv, North Dakota Sen. John Hoeven said. Kurt Groszhan, 50, is charged with plotting to assassinate Ukraine’s then-agriculture minister, Roman Leschenko. The two had gone into business together after Groszhan moved to Ukraine in 2017.

►Ukraine’s military said it has retaken the settlements of Dobryanka, Novovoznesenske and Trudolyubivka in the Kherson region just north of Crimea.

►The Russian military killed more than 320 civilians in Bucha, Mayor Anatolii Fedoruk said Wednesday.

►$100 million worth of Javelin anti-tank missiles will be sent to Ukraine to meet an urgent need, Pentagon press secretary John Kirby said in a statement. The “transfer” comes amid a shift of fighting to eastern Ukraine.

►Greece is expelling 12 Russian diplomats. Since the beginning of the war in Ukraine, Western countries have expelled more than 150 Russian diplomats.

A Ukrainian serviceman pets a cat next to a destroyed Russian fighting vehicle after collecting parts and ammunition in the village of Andriivka, on April 6, 2022. Several buildings in the village were reduced to mounds of bricks and corrugated metal and residents are struggling without heat, electricity or cooking gas.

Biden: New sanctions ‘ratchet up the pain’ further on Russia

President Joe Biden said new economic sanctions imposed Wednesday against Russia, including two adult daughters of President Vladimir Putin, “ratchet up the pain” further on Russia following the discovery of atrocities committed by its troops.

“There’s nothing less happening than major war crimes,” Biden said, describing scenes of bodies left in the streets of the Ukrainian town of Bucha including civilians executed with their hands tied behind their backs.