Ukrainian drones struck the city of Kstovo in Russia's Nizhny Novgorod region overnight on May 20, with video footage showing the unmanned aircraft operating near residential buildings.

The Russian government has reached the final stages of implementing a comprehensive ban on diesel and aviation fuel (kerosene) exports following a devastating wave of Ukrainian long-range drone strikes that have knocked out a quarter of the nation’s total oil refining capacity, effectively paralyzing critical energy infrastructure across central Russia. Key energy hubs hit in recent weeks include the Ryazan, Moscow, Kirishi and NORSI (Nizhny Novgorod) refineries processing roughly 238,000 tons per day (83 million metric tons per year), accounting…