Four people were killed and 10 others injured when a bomb rocked a market in North Waziristan District on Monday, reported 24NewsHD TV channel.
The bomb exploded in Razmak Bazaar as people were busy in shopping.
The police and security forces personnel arrived at the scene and cordoned off the area. They collected evidence from the blast site and shifted the injured to Zarmak Hospital.
Later, six seriously injured persons were referred to Bannu for treatment.
Reporter Abdul Qayyum Wazir