At least 23 people have been killed in a suicide bomb attack on a mosque in north-western Pakistan.

The attack targeted worshippers during Friday prayers in a remote village in the Mohmand Agency, north of Peshawar.

More than 40 people were wounded, many of them children.

Reports say, a faction of the Pakistani Taliban, Jamaat-ul-Ahrar, carried out the attack which apparently targeted elders from a government-sponsored anti-Taliban militia.