Muzammil was appointed governor of Balkh last year after holding the same position in eastern Nangarhar province, where he coordinated a crackdown on IS-K militants.
IS-K has staged several attacks in Afghanistan recently, including one in January in which a suicide bomber killed at least 10 people near the Foreign Ministry in Kabul. Last month, Taliban security forces claimed to have killed two senior IS-K members.
Qari Fateh, IS-K’s regional intelligence and operations chief, was killed along with another member in a raid in Kabul on February 27, the Taliban-led government said. Another senior IS-K leader, Ijaz Amin Ahingar, was reportedly killed in an earlier raid in Kabul.