The Kirishi oil refinery, one of Russia's largest, has been shut down since May 5, unnamed sources said.

In just recent months, Russia’s oil refining has dropped by 10%, and Russian oil companies are being forced to shut down their oil wells.As for Russia’s overall state revenues –…

Ukraine's defence forces struck the Kstovo oil refinery in Russia's Nizhny Novgorod Oblast on 18 May and an oil pumping station in Russia's Yaroslavl Oblast on 19 May.