MOSCOW, March 23 (Xinhua) -- Unmanned aerial vehicles attacked the Kuibyshev Oil Refinery in Russia's Samara region on Saturday, causing a fire in a primary oil refining column.
No casualties or injuries had been reported from the attacks, according to regional governor Dmitry Azarov.
"Emergency services and law enforcement agencies are working on the spot, and an operational headquarters has been created," said Azarov, adding that the attack attempt against the Novokuibyshevsk Oil Refinery was repelled.
There was no damage to the technological equipment at the refinery following the attacks, Azarov added. ■
