ISLAMABAD: On the opening day of the National Assembly’s winter session, the opposition Pakistan Tehreek-i-Insaf (PTI) on Tuesday reiterated its call for a judicial probe into the alleged killing of its workers during the Nov 26 protest at Islamabad’s D-Chowk. Opposition Leader Omar Ayub Khan accused Prime Minister Shehbaz Sharif of issuing an “order to kill”, alleging that security personnel …