MOSCOW, Jan. 2 (Xinhua) -- A car crashed with a bus in Russia's Saratov Region on Wednesday, killing four people and injuring three others, local traffic police said.

The driver of a Ford car lost control of the vehicle and hit an oncoming Iveco bus at around 9:15 a.m. local time (0515 GMT), killing all four people in the car on the spot and injuring three passengers of the bus.

The injured have received medical treatment and there were no children among the victims.

Police were investigating why the driver lost control of the car.