Thirty-seven were shot down over 10 oblasts, while 39 were lost in the airspace, according to the statement.A Russian drone struck a residential building in the northeastern city of Sumy in Sumy Oblast overnight on Jan. 30, killing four people and injuring at least nine others, local authorities reported. A 7-year-old child was injured, as well as an 18-year-old man.In the same region, a civilian was injured during a drone attack against the Hlukhiv community on Jan. 29, authorities said.Russian attacks against Donetsk Oblast killed one person in Siversk, injured two in Pokrovsk, and two others in Bilytske, Governor Vadym Filashkin reported.A Russian first-person-view (FPV) drone attack injured three medical workers in the town of Kupiansk in Kharkiv Oblast, Governor Oleh Syniehubov said.