At least 13 labourers were killed and two others were injured in a bomb blast on a vehicle in Shawal tehsil of North Waziristan district, reported 24NewsHD TV channel on Sunday.
According to the deputy commissioner, the blast was carried out on a civilian vehicle near Gul Mirkot.
There were 16 labourers in the vehicle when the bomb blast took place. 13 of them died, two were injured and three went missing.
The injured and the bodies of the deceased were shifted to a nearby hospital, Deputy Commissioner Rehan Gul Khattak said.
Caretaker Prime Minister Anwaarul Haq Kakar condemned the bomb blast. He, in his Twitter message, expressed solidarity with the bereaved families.
Reporter: Malik Rehman