The Ukrainian military said it struck Russian air defense systems, command posts, drone control centers and ammunition depots overnight.

Ukrainian drone strikes targeted key Russian oil infrastructure in May, with officials saying attacks forced six refineries to halt operations.

Units of Ukraine’s Defense Forces on May 21 and overnight into May 22 struck Russian ammunition depots, air defense systems, command posts, and personnel of the Russian Federation…

The Ukrainian military said it struck Russian air defense systems, command posts, drone control centers and ammunition depots overnight.