Ukraine says it has found the bodies of 63 civilians bearning signs of torture in Kherson.
Ukrainian officials have been investigating war crimes in the newly-liberated region following more than eight months of Russian control.
Russia continues to deny committing atrocities against civilians in its invasion.
Meanwhile, Ukraine has been granted access to the site of the missile strike that killed two people in Poland.
After President Volodymyr Zelensky, who has said the missile was not Ukrainian, called for "all the details, (and) every fact" connected to the strike.
BBC correspondent James Waterhouse spoke to Corin Dann from Kyiv.
