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.

Source: General Staff of the Armed Forces of Ukraine

Details: It is reported that in particular, the AVT-6 primary oil processing unit was struck with a subsequent fire at the Lukoil-Nizhegorodnefteorgsintez refinery in Kstovo in Russia's Nizhny Novgorod Oblast.

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Following the strike on the Yaroslavl-3 oil pumping station in Semibratovo in Russia's Yaroslavl Oblast, damage to four storage tanks with a combined capacity of 140,000 cubic metres has been confirmed in early reports.