Multiple drones targeted an oil refinery in southern Russia, resulting in a large fire. "Four drones were used in an attack on an oil refinery in the Krasnodar Region, where an oil storage reservoir caught fire on Thursday night," TASS reports. The Kremlin is blaming Washington and Kiev's Western backers for the cross-border operation.

"There were four [drones]. The fire was extinguished. One drone did not explode, it fell down and now a [controlled] detonation of it will take place," the state publication said. It happened at around 3am, resulting in no casualties, and emergency responders reportedly extinguished the blaze, with authorities announcing "no threat to the population."

The last weeks have seen a noticeable uptick in cross-border drone attacks out of Ukraine on key Russian infrastructure, including oil facilities and even trains of late. 

In the wake of this latest, the Russian Foreign Ministry vowed that "Moscow will quickly deal with Kiev's terrorist and subversive activities," according to Al Jazeera.

But what's "new" about this attack on the oil refinery is that the Kremlin is very directly pointing the finger at the United States for helping the Ukrainians conduct the attack: