ANKARA -- Four people were killed and 22 others were injured on Saturday in a passenger bus accident in Turkey's northeastern Ardahan province, local media reported.

The bus, which was carrying teachers and their families to bordering Georgia on a vacation, overturned in the Mozaret mountain after the driver lost control of the vehicle.

Three passengers and the driver were killed, and five others were in serious condition among the 22 wounded, Dogan News Agency reported.

Ambulances and fire trucks were dispatched to the scene. The wounded were brought to Ardahan State Hospital and other hospitals nearby.