One type of Ukrainian drone is responsible for 80% of successful strikes on Russian oil refineries: report

• Ukraine's Liutyi drones are behind 80% of strikes on Russian oil refineries, according to a report.
• Developed without state backing, the Liutyi drone had a challenging start in 2023.
• But it's now the main weapon in an increasingly potent strategy targeting Russian oil facilities.

A Ukrainian-developed long-range drone is responsible for the vast majority of the country's successful strikes on Russian oil refineries, according to a new report.