A suicide bomber on Saturday blew up a car at a crowded market in a northwestern Pakistani tribal town, killing at least 13 people and wounding 23 others, officials said.
Pakistani soldiers stand guard in he northwestern tribal town of Darra Adam Khel, where a car bomb on Saturday killed at least 13 people.
The blast ripped through the main market in Darra Adam Khel, near to a local anti-insurgent peace committee office, the officials added.
"At least 13 people were killed and 23 others were wounded," information minister for Khyber Pakhtunkhwa province Mian Iftikhar Hussain told AFP.
The target was the local peace committee, he added.
Two other officials confirmed the bombing and the death toll and said some of the wounded were shifted to other cities for treatment as local health facilities were not sufficient.
Nobody claimed immediately claimed the responsibility for the attack, they added.
The peace committee comprised a breakaway group of former militants who ditched their Taliban colleagues and formed a militia supporting local elders and government efforts against militancy, a local intelligence official said.
Semi-autonomous Darra Adam Khel lies between the northwestern towns of Peshawar and Kohat and has experienced several suicide attacks and bombings blamed on Taliban militants.
Taliban militants on Tuesday shot and wounded a teenage Pakistani children's rights activist as she boarded a school bus in the former Taliban stronghold of Swat.
The shooting of 14-year-old Malala Yousafzai who campaigned for the right to an education has been denounced worldwide and by the Pakistani authorities, who have offered a reward of more than $100,000 for the capture of her attackers.