LAHORE - Pakistan Tehreek-e-Insaf (PTI) chairman and former prime minister, Imran Khan will arrive here on Sunday for the upcoming Punjab by-elections campaign. It is pertinent to mention here that the Election Commission of Pakistan disqualified 25 PTI dissident lawmakers who had voted for Hamza Shahbaz for the slot of chief minister in the Punjab Assembly. Out of 20 seats, by-elections will be held on four constituencies PP-168, 167, 170 and 158 in Lahore. In connection with the election campaign for these four seats, Imran Khan will address conventions and party meetings.