At least five civilians were killed Friday and seven injured when a bomb ripped through a busy market in Pakistan's north-west region, an official said, dpa reported.
The incident took place in Kalaya, the main town in Orakzai, one of the seven tribal districts, where Islamist rebels have hideouts.
Mahmud Aslam, chief district administrator, said that the explosive material was planted in a mobile phone shop in a local market frequented by people from neighbouring villages.
"So far five people have been killed and seven injured," Aslam said.
He also said that the bomb was detonated by remote control.
Nobody took responsibility for the attack but the Taliban in the past have carried out attacks on civilians and the security forces in the region.
On Saturday, 35 people were killed including soldiers and civilians in a militant raid in Sarai Naurang in the same region.