Thousands of Pakistani militants in Afghanistan: UN Report
Most of the militants belonged to the outlawed Tehreek-e-Taliban (TTP), that is responsible for attacks on Pakistani military and civilian targets
ISKP
ISIS Reaps Gains From the Pakistan-India Rivalry in Afghanistan
Reports indicate that ISIS is rapidly gaining recruits from India and Pakistan for its Afghanistan and Central Asia operations. The emerging threat in this regard would require close counterterrorism cooperation between Islamabad and New Delhi if the group is to be successfully defeated in Afghanistan.