Ukrainian President Volodymyr Zelensky will visit French President Emmanuel Macron in Paris on Monday, said the French presidential office, as the US pushes a plan to end the war between Moscow and Kyiv. Meanwhile, Ukraine used drones to attack two"shadow fleet" tankers, believed to be covertly transporting sanctioned Russian oil, a Ukrainian security official said Saturday. Read about the day’s events as they unfolded on our liveblog.

Yesterday's key developments:

• Ukrainian President Volodymyr Zelensky announced that his chief of staff, Andriy Yermak, has submitted his resignation amid a corruption scandal. 
• Polish prosecutors charged two Ukrainians and three Belarusians with working for a foreign intelligence service, amid heightened tensions with Russia.