At least five were killed while two others sustained injuries in a road accident near the Drazinda area of Dera Ismail Khan (DI Khan) on Sunday.
According to Rescue 1122, the incident occurred due to the brake failure of the container, resulting in the death of five people including children.
The container was reportedly loaded with clothes and the truck with cement.
Upon receiving the information, rescue teams and police reached the spot and shifted the injured and the bodies to a nearby hospital.