Afghan security force members take part in a military operation against the Islamic State (IS) militants in Kot district of Nangarhar province, Afghanistan, Feb. 16, 2017. (Xinhua/Rahman Safi)
Afghan security force members take part in a military operation against the Islamic State (IS) militants in Kot district of Nangarhar province, Afghanistan, Feb. 16, 2017. (Xinhua/Rahman Safi)