Eight of them, including two teenagers, were injured in a community outside Tjuhujiv east of the metropolis Charkiv.
Explosions thundered also in central Charkiv during the night, in what the mayor Ihor Terechov describes as a "massive drone attack". A 60-year-old woman has been injured in the metropolis, according to the authorities.
The Ukrainian air alert has warned during the night of both Russian attack drones and rockets in the region's airspace. Air alerts have also been issued in several other Ukrainian regions.