The injured and bodies were moved to a nearby medical facility.
The incident occurred in Chokara area of Karak in KP.
Getting information about the incident, rescue teams reached the spot and shifted bodies and the injured of the incident to Taluka Hospital Kandiaro.
The deceased children were identified as eight-year-old Kiran, five-year-old Ali and two years old Sahil.
The bodies were shifted to nearby hospital for medico-legal formalities.