Six bullet-riddled bodies were found in village Mooski in Mir Ali area of North Waziristan, reported 24NewsHD TV channel on Tuesday.
According to police, the victims were killed by firing and they belonged to Punjab.
As per the preliminary information, the slain persons were barbers by profession, who had come to North Waziristan from Punjab to work. The deceased had hair cutting shops in Mir Ali Bazar.
The bodies have been shifted to Mir Ali Hospital.
After collecting evidence from the spot, the police have started investigation keeping in view various aspects.
Reporter Amir Shahzad