According to local media reports the driver of an SUV lost control, flew off the road and into the river.
There were eight people in the vehicle five children and three adults.
The driver, the father of children who were in the car, and his wife managed to escape unharmed.
The other passengers died prior to the arrival of rescuers.
The oldest of the dead children was 9 years old and the youngest 18 months.
Voice of Russia, RBC