At least seven were killed on Sunday after a bus overturned in Kaluga region, south of Moscow, Russia.
Four of them were children.
Twenty-four people were injured and taken to a hospital.
Most of those hospitalised were also children.
A criminal case had been opened against the bus driver.
Russia ranks among the world’s worst countries for road deaths mainly due to alcoholism.
The number of road deaths is around 20,000 annually.