Recent social media videos show Ukrainian forces using drones similar to IEDs. The drones sit next to roads and then strike Russian military vehicles when they pass.

Ukrainian drones attacked energy facilities in Russia's Astrakhan and Volgograd oblasts overnight on Feb. 3, causing fires, according to local authorities. The news comes as Ukraine ramps up long-range strikes against Russian energy infrastructure to stifle Moscow's gas and oil exports that fuel its war chest.

Officials say a Russian drone has blasted a hole in an apartment building in northeastern Ukraine during a nighttime attack that killed at least six people and wounded nine others