Russian forces have attacked several Ukrainian cities, killing at least four people in a drone strike on a residential area of Kyiv region, reports BBC.
Upper floors of two student dormitories were hit early on Wednesday in the city of Rzhyshchiv.
Explosions were reported by residents in the port city of Sevastopol.
An 11-year-old was among the wounded, rescue services said.
Separately, officials in Russian-annexed Crimea said a Ukrainian drone attack on their fleet were repulsed.
The head of Russia's occupation authority Mikhail Razvozhaev said three "objects" targeting the Black Sea Fleet had been destroyed and Russian warships were not damaged.
Ukrainian President Volodymyr Zelensky said Russia had launched more than 20 "killer drones", as well as missiles and shells.
Bd-pratidin English/Golam Rosul