Ukrainian drones reportedly struck Russia’s oil refineries in Saratov and Samara provinces today. The attack comes as Kyiv continues to escalate its campaign against Russian oil and gas infrastructure, a key source of Moscow’s revenues helping to fuel its all-out invasion of Ukraine.

According to Media reports, Drones struck an oil refinery on the outskirts of Saratov city. Videos posted on social media by residents appear to show a drone striking the refinery, causing a large explosion.

The reported attacks come just days after Ukrainian forces struck the Saratov oil refinery overnight on September 16, causing explosions and a fire at the facility.