Islamabad [Pakistan], May 25 (ANI): The Election Commission of Pakistan (ECP) has summoned Pakistan Tehreek-e-Insaf (PTI) top leadership after raising further objections to recently-held intra-party polls, Pakistan-based ARY News reported. The ECP has issued a notice to the Imran Khan-founded party and summoned PTI chairman Barrister Gohar Ali Khan and Raoof Hasan, who was the election commissioner in the intra-party poll