A fire broke out in an industrial area in Kstovo, Nizhny Novgorod Oblast, overnight into April 5 following a drone attack, with one of the region’s largest oil refining sites located there, Telegram channels reported.
Explosions were heard overnight over Kstovo, after which a large fire was reported in the industrial zone. Local social media accounts and Russian media reported air defense activity and a fire near an oil refinery.
The city is home, in particular, to a major Lukoil refinery — LUKOIL-Nizhegorodnefteorgsintez (NORSI), as well as petrochemical enterprises.
The Kstovo site has strategic importance for Russia’s fuel sector.