Russian authorities said a major drone attack had targeted an "industrial enterprise" in the Nizhny Novgorod Oblast overnight, amid reports that a key oil refinery had been struck in the region.
In a post on Telegram, regional governor Gleb Nikitin said a "massive UAV attack" had resulted in "significant damage" to an industrial facility in the Kstovsky district.
"More than 100 drones have been destroyed," he wrote, adding that early information suggested there had been no casualties and that emergency crews were working at the scene.
