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.

It came as Russia and Ukraine swapped 150 prisoners of war each and UK foreign secretary David Lammy met with Ukrainian president Volodymyr Zelensky in Kyiv.

Seven people were killed and more than 50 were injured in Ukraine overnight after Russian missiles and drones targeted communities across the eastern half of the country.

A series of drone attacks by Ukraine on Russia's energy facilities have sparked fires in recent days at a major oil refinery in the Volgograd region, as well as at the Astrakhan gas processing plant.

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.

Ukrainian forces have launched new drone strikes on Russia, targeting an oil depot in the southern Krasnodar region.

A Russian drone struck a multi-storey apartment building in the northeastern Ukrainian city of Sumy early on Thursday, killing nine people and injuring 13, including a child, President Volodymyr Zelenskiy said.

Russia launched 65 attack drones and other types of drones at Ukraine. Ukrainian air defense forces destroyed 37 drones. According to the Ukrainian Air Force, the Russian army launched drones from 3 directions: Orel,