Islamabad: PTI has refused to participate in APC on issue of Palestine.According to sources invitation was sent to PTI from Aiwan-e-Sadr for its participation in APC. Political committee of PTI had favored to attend APC ,however, Core committee of PTI opposed it.PTI chairman Barrister Gohar too has confirmed about not attending APC saying PTI will not participate in APC in the prevailing political situation. No central leader of PTI is there in Islamabad at present.