Located roughly 500 kilometers (311 miles) from Ukrainian-controlled territory, the refinery is among the largest in southern Russia, producing nearly 6,6 million tons of fuel annually.

Ukraine struck one of southern Russia’s largest oil refineries – the Ilsky Oil Refinery in Russia’s Krasnodar region – as fuel shortages deepen.

A fire broke out at the Ilsky oil refinery in Russia's Krasnodar region following a drone attack overnight on June 2. — Ukrinform.