IS announced the establishment of its Khorasan branch - an old name for Afghanistan and surrounding areas - in January 2015. It was the first time that IS had officially spread outside the Arab world. Within a few weeks, the group appeared in at least five Afghan provinces, including Helmand, Zabul, Farah, Logar and Nangarhar, trying to establish pockets of territory from which to expand.
Saturday, 25 February 2017
IS in Afghanistan: How successful has the group been? - BBC News: