Ukrainian Drones Strike Russian Oil Refineries, Military Airbases, and Logistics Hubs, Causing Casualties

Ukrainian drone strikes killed at least eight people in Russian regions overnight and on Sunday, hitting targets including a Wildberries warehouse in the Samara region and a residential building in the Saratov region. Ukraine's General Staff confirmed strikes on a Russian air base in Engels and an oil refinery in Saratov Oblast, sparking fires. Ukrainian forces also reportedly struck eight Russian air defense and radar systems across the Krasnodar region.