The Main Intelligence Directorate of the Ukrainian Defense Ministry (HUR) used drones to attack an oil depot in Russia's Belgorod Oblast, a Ukrainian intelligence source told NV on June 6.
Russian Telegram channels reported an explosion in Belgorod Oblast that night. The governor of Belgorod Oblast, Vyacheslav Gladkov, wrote on Telegram that an oil depot in the Starooskolsky urban district was damaged.
"The explosion caused a fire in one of the tanks," Gladkov said. "Four fire brigades quickly extinguished the fire. The blast wave smashed the windows in the security building."
The Russian government reported that the fire was extinguished and there were no casualties.