Units of Ukraine's defence forces struck a number of important facilities belonging to Russian forces on 19 May and on the night of 19-20 May, including a Lukoil refinery in Russia's Nizhny Novgorod Oblast.

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.

Ukraine’s Defense Forces struck the Lukoil-Nizhegorodnefteorgsintez oil refinery on Russian territory on May 18 and the Yaroslavl-3 pumping station on May 19. — Ukrinform.