"According to preliminary data, the driver of the Toyota Corolla, moving in the direction from the village of Kalininsky towards the city of Mariinsk, drove into the oncoming lane, where it collided with a Mitsubishi Canter truck," the press service said.
The accident killed a Toyota driver and two of his passengers.
Three passengers of the truck, including a 4-year-old child, were taken to hospital with various injuries.
Earlier in the suburbs in the collision of a truck, a minibus and a car, four people died and seven more were injured.
In June, the Yuga.ru portal reported that six people were injured in an accident involving six cars in the Stavropol Territory.