Multiple Russian oblasts reported explosions and fires at industrial facilities during overnight drone attacks on 2 August, with air defense systems activated across several areas, according to Russian Telegram channels.
Samara Oblast Governor Vyacheslav Fedorishchev confirmed strikes on Novokuybyshevsk. Social media footage showed a large fire at what appeared to be the Novokuybyshevsk Oil Refinery, with sounds resembling drone operations and air defense systems audible in the videos.
The governor also announced temporary restrictions on mobile internet in the oblast and suspended operations at Samara airport following the attacks.
Defense-related facilities in Penza Oblast also came under attack. Drones reportedly struck JSC Production Association "Elektropribor," a company specializing in control elements for Russian missile systems and communications equipment. The nearby AT "Radio Plant," Russia's sole defense facility producing air defense command centers, was likely also hit, according to reports.
Witnesses reported loud explosions near Dyagilevo airfield in Ryazan Oblast. Another oil refinery in Ryazan city was reportedly struck, with local social media publishing eyewitness videos showing a column of fire. Regional authorities confirmed drone attacks on a local enterprise without specifying which facility was targeted.
Residents of Lipetsk and Voronezh oblasts also reported UAV attacks and air defense activity during the night.
JSC Kuibyshev Oil Refinery produces motor fuels including Euro-5 standard gasoline and diesel fuel, along with dozens of other petroleum products in market demand.
The attacks followed similar overnight explosions in several cities of temporarily occupied Crimea on 1-2 August, after which occupying authorities closed the Crimean Bridge to vehicle traffic.
