Islamabad [Pakistan], September 8 (ANI): Pakistan’s Islamabad administration will block internal and external routes of the capital city by midnight on Saturday and Sunday ahead of Pakistan Tehreek-e-Insaf’s (PTI) public gathering on September 8, ARY News reported, citing sources. ARY News reported that the police could also arrest PTI leaders and local activists throughout the district. ARY News quoted its sources privy to the development and said that the police increased patrolling and put all police stations on high alert. The law enforcers are also cracking down on motorcyclists, accordin…