 The city of Kiev came under a mass Russian drone attack early on December 22, with Mayor Vitaly Klitschko and other officials reporting strikes on widely separated residential districts, Klitschko said a drone had hit a block of flats in the Selomianskyi district, south of the city center, triggering a fire. The upper floors are in flames. Emergency crews are on site, Mayor Klitschko said, Klitschko also reported a drone strike on a private house in Darnitsky district on the eastern bank of the Dniepro River that runs through the city. One person was injured and emergency crews were on their way to the scene Serhi Popko, head of Kiev's military administration, reported fragments from a downed drone had struck an apartment building in a third area Holosivskyi district also south of the city center.