PAKPATTAN: Four people were killed in an accident on Arifwala-Sahiwal Road on Monday.A bus was carrying passengers to Lahore via Arifwala to Sahiwal when it collided with a truck. As a result, Muhammad Yousaf, Muhammad Mazhar, Muhammad Saleem and Khalid were seriously injured. They were rushed to the DHQ Hospital where they succumbed to their injuries.