Ukraine Strikes Russian Fuel Plant, Yandex Data Center, Oil Depot; Moscow Claims 505 Drones Downed

Ukrainian drones struck a Russian chemical plant producing cruise missile fuel, damaged a Yandex data center in Kaluga for a second consecutive day, and reportedly ignited an oil depot near Belgorod. Moscow claims its air defenses downed 505 drones overnight, but the strikes indicate penetration and continued deep-strike capability. This escalation targets military logistics and civilian infrastructure, potentially affecting Russian energy exports and tech operations.