Jamaat-ul-Ahrar, or JuA, a faction of the banned Pakistan Tehreek-i-Taliban (TTP) terror group, confirmed the death on Friday of its chief, Umar Khalid Khorasani. Khorasani has been blamed for directing several deadly attacks carried out in different parts of Pakistan in recent years, including the devastating March 2016 attack on the Christian community in Lahore on…