30, killing nine people and injuring 13 others, the Interior Ministry reported.Search and rescue operations at the site of the Russian attack concluded later in the evening.Russia launched a total of 81 attack and decoy drones against Ukraine on the night of Jan. 30, the Air Force reported. Ukraine's air defense shot down 37 of them, while 39 more disappeared from radars before reaching targets.A Shahed-type attack drone hit the multistory building in Sumy shortly after midnight local time, Governor Volodymyr Artiukh said.Two couples were killed in the attack: A 74-year-old man and his 69-year-old wife and a 65-year-old man and a 64-year-old woman, local authorities reported.Some of the injured victims have been hospitalized and are reported to be in serious condition.