Several Ukrainian drones attacked the Slavyansk oil refinery in Russia's Krasnodar Territory, causing a fire and a fatality, a local official said on Sunday, Paralel.Az reports citing Xinhua.

The drones were neutralized, but the falling debris caused a fire, said Roman Sinyagovsky, head of the Slavyansk district where the oil refinery is located, quoting the Slavyansk Emergency Dispatch and Disaster Services (EDDS).

"At night, around 3 o'clock in the morning, several drones tried to attack the Slavyansk oil refinery. The drones were neutralized, but a fire broke out as a result of the fall of one of the devices," EDDS said.

One employee died as a consequence of the attack.

Local authorities said the fire has been put out.