Assassination
Azam Tariq was shot and killed in an attack on October 4, 2003 near Islamabad as he left the M2 Motorway to enter the city. Another leader, Qari Zia-ur-Rehman was also killed. Tariq's supporters blamed Shi'a sectarians for the killings, and Shi'a leader Sajid Naqvi was arrested several days later. However, the case remains unsolved.
Read more about this topic: Azam Tariq (Sipah-e-Sahaba Pakistan)