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

Ukraine launched one its biggest assaults on the Russian mainland today, with drones leaving an oil refinery ablaze.

Ukraine has intensified missile and drone strikes on Russia. Russian air defenses are stretched, prompting efforts to find other approaches to protect domestic targets.