As snow fell in a wooded area of Ukraine, the long-range attack drones accelerated one by one down an unlit, abandoned road and their whirring engines propelled them into the night sky. The unmanned a

Videos showed fireballs over a facility in Ryazan, 110 miles southeast of Moscow. Kyiv is seeking to disrupt Russian military logistics and put pressure on the country’s economy by striking its oil industry.

Russian attacks against Ukraine killed at least six people and injured at least nine over the past day, regional authorities reported on Jan. 24.

Ukrainian drones hit a Russian oil refinery in the city of Ryazan overnight, causing a fire and damaging equipment at one of Russia's biggest refineries, four industry sources told Reuters on Friday.