Pakistan Tehreek-e-Insaaf (PTI) has served show cause notice to party leader Sher Afzal Marwat over his recent statement against Barrister Ali Gohar. PTI General Secretary Omar Ayub issued notice to Marwat, asking the former to submit an unconditional apology letter within 2 days. The notice warned that that party will take further action as per its established policy if Marwat fails to provide a satisfactory explanation.