An oil refinery in Russia’s Samara Oblast caught fire following a drone attack on the facility overnight on Aug. 15, local media reported.

In early June, Ukraine carried out one of the largest attacks since the start of the war, called "Operation Spider Web". The offensive used drones to strike strategic airfields in five regions of Russia,

Ukrainian drones struck two Russian cities on Thursday in attacks that injured at least 16 people, local authorities said, a day before a U.S.-Russia summit on the war in Ukraine.