Ukraine has struck Russia's largest oil terminal on the Baltic Sea during one of its biggest overnight drone attacks in months. The aerial assault targeted the Primorsk oil port in the Leningrad region, the final station of the Baltic Pipeline System and a crucial hub for Russia's maritime exports, Ukraine's security services told multiple outlets. More than half of the 221 drones sent to Russian territory were intercepted over the Bryansk and Smolensk regions, where Lukoil facilities were also reportedly targeted, the Russian defense ministry said. Meanwhile, officials said two civilians were killed in Ukraine's Sumy region when a Russian glide bomb struck a village near the border. Authorities in the Leningrad region claimed 28 drones were brought down, and a fire erupted at a vessel and pumping station in Primorsk. The port is also central to Russia's so-called shadow fleet of aging tankers used to skirt international sanctions. The Ukrainian security services reported drone strikes on pumping stations feeding the Ust-Luga terminal, near Estonia. Russian state energy firm Rosatom confirmed a drone attack on a power unit at its Smolensk Nuclear Power Plant, near Belarus. Russian officials disclosed that drones were intercepted in at least nine regions, including Moscow, where debris was found on the ground but authorities stated there were no casualties. However, in Bryansk, a drone hit a bus, injuring seven. The attack at Primorsk is described as one of the largest since Russia's full-scale invasion of Ukraine began, showcasing an escalating trend in cross-border drone operations as Ukraine aims to disrupt Russian supply chains.