The bus which was coming from Peshawar and heading towards Karachi collided with the vehicle carrying cash for a bank near Wapda town on Indus Highway in the northwestern province.
Following the collision, the vehicle fell into a deep ravine and the driver and two security guards were killed on the spot. A minor in the bus was also killed and 14 other people were injured.
The injured were rushed to the District Headquarters Hospital for treatment. The people who were critically injured were shifted to a hospital in Peshawar.