Pakistan Sindh Top StoriesImran Khan angry: Imran Ismail refuses to obey PTI chairmanTNT DeskApril 21, 2015April 21, 2015 by TNT DeskApril 21, 2015April 21, 2015 KARACHI: Pakistan Tehreek-e-Insaf (PTI) leaders refused to obey party chairman Imran Khan and also threaten to resign from the party....