The US unveils new sanctions targeting the Russian elite including Vladimir Putin's two adult children. Today, though, more proof Putin is undeterred. A flurry of new Russian military assaults and haunting words from the most besieged city. Mariupol's mayor says the scale of death rivals Nazi concentration camps and calls it the new Auschwitz. Officials say Moscow's military is using mobile crematoriums to dispose of bodies. Today's show begins Zaporizhzhia with CNN's Ivan Watson.

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