Key facts
- Power outages affected Kaliningrad and several surrounding towns on October 31.
- Explosions were reported in an industrial area of Ufa, Bashkortostan.
- Perm's Bolshoye Savino Airport experienced flight delays due to airspace restrictions on October 31.
Widespread power outages struck Russia's Kaliningrad Oblast and surrounding towns overnight on October 31, with residents reporting electricity loss around midnight. Mobile internet services were also disrupted. Regional authorities stated the blackout was caused by an emergency protection system at the Kaliningrad CHP-2 power plant, leading to a partial equipment shutdown. Separately, explosions were reportedly heard in an industrial area of Ufa, the capital of Russia's Bashkortostan Republic, amid warnings of possible Ukrainian drone attacks. Bashkortostan authorities had declared a drone threat across the republic earlier on October 31, imposing temporary flight restrictions at Ufa Airport. In Perm Krai, airspace restrictions were introduced on the morning of October 31, disrupting operations at Perm's Bolshoye Savino Airport and causing flight delays. Drone threat warnings had also been issued in neighboring regions. No confirmed connection was established between the incidents in Kaliningrad, Ufa, and Perm.