Ukraine launches second major drone attack against Russian oil refineries in a week - Intelligence sources say one refinery had been hit by four Ukrainian drones, causing ‘significant damage”

A Russian oil refinery in the southern Volgograd region caught fire after being hit by debris from a Ukrainian drone attack. Regional Governor Andrei Bocharov confirmed the overnight attack, saying on Friday that the blaze was “promptly extinguished” and one injured worker was hospitalised.

"This refinery is one of the 10 largest oil refineries in Russia in terms of design capacity and is involved in supplying the Russian occupatying army," the General Staff said in a statement.