ISLAMABAD: Differences within Pakistan Tehreek-e-Insaf (PTI) over participation in the planned Islamabad protest have come to the forefront, with a heated exchange taking place between Bushra Bibi and Khyber Pakhtunkhwa Chief Minister Ali Amin Gandapur. According to sources, the disagreement occurred today when Bushra Bibi expressed her intention to lead the protest from Peshawar, while Ali Amin Gandapur disagreed, stating …