Massive Russian strikes on Ukraine’s second-largest city killed at least five people on Saturday, officials said, one night after Moscow carried out one of the war’s largest aerial assaults on Ukraine.

Russia attacked the eastern Ukrainian city of Kharkiv at night with drones, missiles and guided bombs, killing at least three people and injuring 22, including a one-and-a-half-month-old baby, the city mayor,

Air assaults on Saturday killed at least four people. Kharkiv’s mayor described an overnight strike as “the most powerful attack” since the beginning of the war.