Pakistan's national flag flies at half-mast at Sindh assembly building during mourning following deadly bombing at a shrine in Sehwan, in southern Pakistani port city of Karachi on Feb. 17, 2017. Pakistan's Sindh province government announced a three-day mourning after a deadly suicide blast at a shrine in Sehwan town, killing at least 88 people and injuring over 300 others.(Xinhua/Masroor)
