Four more drones were "lost" in a few regions, it added.Russian forces struck Kharkiv, Ukraine's second-largest city, killing at least three people and injuring 36 others, Governor Oleh Syniehubov reported.Russia attacked the city with guided aerial bombs, targeting densely populated districts, Mayor Ihor Terekhov said. Four districts in the city were attacked, with residential high-rise buildings damaged in the Kyivskyi and Saltivskyi districts. One suffered a direct hit.The number of casualties may increase as the rescue operation is still ongoing.Military personnel look at the destroyed house following a Russian attack on the city of Kharkiv on Sept. 24, 2024. (Nikoletta Stoyanova/Getty Images)In Kharkiv Oblast, an attack on Kupiansk killed a 93-year-old woman, according to the governor. Another woman, aged 57, was injured.