Pakistan vows to arrest masterminds of IS mosque attack

People attend funeral prayers for the victims of a suicide bombing in Peshawar (AP)

Officials have vowed to hunt down and arrest the masterminds behind a deadly mosque attack in Pakistan claimed by an affiliate of the so-called Islamic State (IS).

The assault killed 63 people and wounded nearly 200 at Kucha Risaldar mosque in north-west Peshawar.