Reuters
- Ukraine says it executed its farthest drone strike yet, hitting a Russian oil refinery 930 miles away.
- Ukraine's Security Service claimed the attack on Wednesday.
- The effectiveness of the strikes is debated. Some argue they put pressure on Russia's oil sector.
Ukraine's latest aerial attack on Russian soil is its farthest one yet, Ukrainska Pravda reported, with officials saying a drone traveled 930 miles to strike an oil refinery far inside Russia's borders.
Unnamed sources within Ukraine's Security Service told the outlet that one of its drones struck a Gazprom refinery in the Russian republic of Bashkortostan on Wednesday.