Drones attacked an oil refinery in Nizhnekamsk, Russia, as well as an oil terminal and a power substation in the Krasnodar region on the night of August 19-20.
That is according to Current Time, Ukrinform reports.
Nizhnekamsk Mayor Radmir Belyaev said that Russian air defenses had "successfully repelled another massive attack on the area" on the morning of August 20.
However, a number of Telegram channels reported that the Taneco oil refinery, owned by Tatneft, had been targeted.
The drones also reportedly attacked the Taman substation in Temryuk district, a key transmission node in the Kuban-Crimea energy bridge, and the Tamangazneft oil terminal in the village of Volna.
