LAHORE, FAISALABAD: Pakistan People’s Party and Pakistan Tehreek-e-Insaf have on Wednesday joined Pakistan Awami Tehreek in the protest against Punjab government over Model Town tragedy. PPP rally in Lahore led by Samina Khalid Ghurki: PTI rally in Faisalabad leaving for Lahore under the leadership of Mian Farrukh Habib: