Ukraine launches widespread drone attacks deep into Russia, hitting oil refineries, airfields, and a major online retailer's warehouse; Russia reports 8 deaths and 635 drones downed, while also striking Ukrainian ports and a postal terminal.

Ukrainian drone strikes targeted multiple Russian regions, including Saratov, Belgorod, Samara, and Udmurtia, causing civilian casualties and damaging critical infrastructure such as oil refineries and an airfield housing strategic aviation. Russia's Defense Ministry reported downing 635 Ukrainian drones and conducting retaliatory strikes on Ukrainian ports and a postal terminal near Kharkiv.