PESHAWAR: Renewing allegation of rigging in the Feb 8 general elections, the Pakistan Tehreek-i-Insaf leaders on Saturday claimed that poll documents were manipulated to reduce the margins of the poll victory of the party-supported independent candidates. During a news conference at the Peshawar Press Club, former provincial ministers Taimur Jhagra and Kamran Khan Bangash and advocates Ali Zaman and Malik …