MOSCOW, September 20. /TASS/. Moscow Mayor Sergey Sobyanin said a facility on the premises of the Moscow Refinery was damaged as a result of the ongoing drone attack on the Russian capital.

"The attack on Moscow by enemy drones is ongoing. A facility on the premises of the Moscow Oil Refinery has sustained damage, but no casualties were reported," the mayor wrote on the Max messenger.

First responders are operating on-site, he added.