KARACHI, Feb. 7 -- Condemnations poured in from across Pakistan on Friday after a suicide bombing struck Imambargah Khadijah-tul-Kubra in Islamabad Tarlai area during Friday prayers, killing at least 31 people and injuring 169, according to authorities.

Read More: 31 martyred, dozens injured in suicide bombing at Islamabad

President Asif Ali Zardari expressed deep grief over the attack and offered condolences to the families of the victims. In a statement shared by the Pakistan Peoples Party, he termed the targeting of innocent civilians a "crime against humanity" and directed authorities to ensure all possible medical facilities for the injured.

Prime Minister Shehbaz Sharif also condemned the bombing and expressed sympathy with the b...