Ukrainian drones strike major Russian oil refinery in Salavat and Yandex data center in Ryazan

Explosions were reported in Salavat, Russia, following a drone attack on the Gazprom Neftekhim Salavat oil refinery, one of Russia's largest. Separately, drones hit a significant Yandex data center in Russia's Ryazan region, causing a fire and suspending operations. Ukraine's Defense Forces claimed a massive drone attack across 20 Russian regions, involving over 400 drones.