Zelensky says his chief of staff Andriy Yermak has resigned after anti-graft raids

President Volodymyr Zelenskiy said Friday that his chief of staff, Andriy Yermak, has submitted his resignation amid a corruption scandal. Ukrainian anti-corruption agencies searched Yermak's home in the morning. Meanwhile, Kyiv hit Russia's Saratov oil refinery and the Saky air base in occupied Crimea overnight, the Ukrainian military said Friday. Follow our liveblog for the latest developments. France24 correspondent Gulliver Cragg has the latest.