Ukraine fired dozens of drones at Russia between late Wednesday and early Thursday, wounding three people and sparking fires in two southern regions, including at an oil refinery, officials said.

Ukrainian drones targeted the Unecha oil pumping station, part of the Transneft Druzhba pipeline network, sparking a large fire, an intelligence source told the Kyiv Independent.

An overnight drone attack struck a refinery in the Russian city of Volgograd, causing an oil spill and fire on the premises, Volgograd Oblast Governor Andrey Bocharov claimed on Aug. 14. "Tonight, the air defense forces of the Russian Defense Ministry repelled a massive UAV (unmanned aerial vehicle) attack on the territory of Volgograd Oblast,