Striking Russia’s oil may hurt Putin, but it just invited deadly barrage?

Ukraine has launched another deep-strike drone attack inside Russia, targeting the strategic Slavneft-YANOS oil refinery more than 700 km from the border. President Volodymyr Zelensky hailed the operation, saying the refinery helps finance Russia's war effort. The strike comes as Russia responded with one of its heaviest missile and drone barrages against Ukraine, firing ballistic missiles, hypersonic missiles and Shahed drones. Kyiv admitted that none of the ballistic or hypersonic missiles were intercepted, renewing calls for more Patriot air defense systems from Western allies. Is Russia gaining air superiority as its bombers return closer to the front? Watch this explainer for the latest Russia-Ukraine war updates, drone strikes, missile attacks, and battlefield developments.