Blast outside Peshawar mosque leaves several injured; Imran Khan expresses sorrow

Several injured in blast outside Peshawar mosque; Imran Khan expresses grief. At least 28 people were killed and 95 others, mostly policemen injured after a powerful suicide blast ripped through a mosque during afternoon prayers on Monday in Pakistan's northwestern city of Peshawar. Blast outside Peshawar mosque leaves several injured; Imran Khan expresses sorrow