Sardar Shahzed Tareen, the minister’s nephew, was not present in the vehicle when it was attacked in the Pishin stop area, reports Dawn News.
Police told the newspaper the unknown armed men riding a motorcycle opened indiscriminate fire with automatic weapons on the vehicle, killing a Levies guard and another person.
Shahzed was also travelling in the vehicle but he later dropped at a car showroom.
His guard and servant were going to his home in the Modal Town area when the attack took place.