“Ukraine used interceptor systems to shoot down more than 33,000 Russian drones of various types in March, a record monthly figure since Moscow launched its all-out invasion more than four years ago,” the AP reports.“Meanwhile, Ukraine’s domestically developed long-range attack drones struck a Russian oil refinery and terminal on the Black Sea for the third time in less than two weeks, prompting the evacuation of local people and a Russian warning of possible ‘environmental consequences.'”“Ukraine has developed cutting-edge and battle-tested drone technology that has proved essential in holding back Russia’s bigger army and has drawn military interest from around the world.”