Zelenski's signature, Russian reserve, biggest attack since the start of the war. Key events from Ukraine

Russia's armed invasion of Ukraine began 1222 days ago. Russia carried out the largest air strike on Ukraine from Saturday to Sunday since the start of the war. president Volodymyr Zelenski signed a decree to retreat Ukraine from the Ottawa Convention. According to Le Figaro, Russia increases tank production. These are the most crucial events of the past 24 hours around the war in Ukraine.