ISLAMABAD: In a surprising turn of events, the Pakistan Tehreek-i-Insaf on Saturday distanced itself from a petition filed in the Islamabad High Court by Advocate Faisal Hussain Chaudhry on behalf of its founding chairman Imran Khan challenging the withdrawal of certain facilities in prison. Interestingly, Advocate Faisal claimed that the petition was filed with the consent of PTI Chairman Barrister …