A suicide bomber has detonated his explosives in a crowded mosque in Pakistan's lawless tribal areas, killing at least 16 people.
The attack occurred during Friday Prayers at a mosque in the Mohmand Agency, one of seven tribal districts along the porous border with Afghanistan.
At least 24 people were wounded in the attack.
The wounded have been transported to a hospital in neighboring Bajaur Agency.
No group immediately claimed responsibility for the attack.