Ukraine launched new strikes overnight on Russian energy sites and denied Moscow's claims that one of its drones hit the Russian-controlled Zaporizhzhia nuclear plant. Ukraine's General Staff said Sunday that its drones struck the Saratov oil refinery in southwestern Russia, causing a large-scale fire. It said the extent of the damage was being clarified, the AP reports, and claimed the refinery has been supplying Moscow's war effort. The refinery belongs to Russia's state oil enterprise, Rosneft. Local Russian Gov. Roman Busargin said drones had damaged civilian infrastructure but did not immediately give details. Astra, an independent Russian news channel, said an oil refinery was on fire in the city of Saratov.
Ukraine has stepped up its attacks on Russia's oil and gas facilities in recent months, arguing the energy sector both funds and directly fuels Moscow's invasion. In a social media post Sunday, Ukrainian President Volodymyr Zelensky called the strike on the refinery "a significant achievement." Ukraine denied Russia's accusation that a drone struck the Zaporizhzhia nuclear plant, Europe's largest. Russia's state nuclear energy company, Rosatom, said on Saturday that the drone exploded after tearing a hole in the wall of a turbine hall. Rosatom's CEO accused Ukraine of a deliberate attack. A Ukrainian military statement said that it adheres to international humanitarian law and is aware of the "consequences of any actions targeting nuclear facilities."