Russia-Ukraine war: List of key events, day 544

The United Nations condemned a Russian missile attack on Ukraine's northern city of Chernihiv on Saturday morning, which killed seven people and injured dozens. Ukrainian President Volodymyr Zelenskyy promised a "tangible response" from Ukrainian forces to what he called a "heinous strike". The Institute for the Study of War said Ukrainian forces conducted offensive operations in western parts of the Zaporizhia region and made modest advances. Russian forces continued to launch offensive operations around the city of Kupiansk in the Kharkiv region but did not make any confirmed advances, it said. Kharkiv region's Governor Oleh Syniehubov posted on his Telegram channel that a man in his 40s was seriously injured this morning after Russian forces shelled Kupiansk.