ISLAMABAD: Pakistan Tehreek-e-Insaf (PTI) has decided to cancel the basic membership of party leader  Sher Afzal Marwat over violation of party discipline. In a notification signed by PTI Additional Secretary General Firdous Shamim Naqvi, it is said that Sher Afzal Marwat was on notice period. According to the notification, during the notice period, the Disciplinary Committee felt that Sher Afzal