World Zelenskyy addresses rumors of Russian chemical weapons, over 10K killed in Mariupol April 12, 2022 Cody Godwin, Associated Press Comments Off on Zelenskyy addresses rumors of Russian chemical weapons, over 10K killed in Mariupol Reports of chemical weapon use in Mariupol are unconfirmed. More than 10,000 have been killed in Mariupol since the Russian invasion of Ukraine began.