It is raising 'special militant groups' drawn from Lashkar-e-Tayiba, Harkat-ul-Jehadi-Islami, al-Badr and tribals of North West Frontier Province and Federally Administered Tribal Areas.
Dreaded Islamic State militant group has appointed a breakaway Taliban commander as its chief in Khurasan, a historic name used by militants for an area covering Afghanistan, Pakistan and parts of India.
Tehreek-i-Taliban Pakistan's six top commanders on Tuesday pledged allegiance to the Islamic State leader Abu Bakr al-Baghdadi, who has been vying for supremacy with Al Qaeda chief Ayman al-Zawahiri.
A powerful car bomb exploded outside a Shiite imambargah at a busy market.
US intelligence agencies had been tracking the hostages and shared their location when they were shifted to Pakistan.
An American drone strike on Tuesday killed at least nine Pakistani Taliban militants in Afghanistan's Nangarhar province
Pakistan had reportedly launched 'strikes' against militant bases in Afghanistan on Saturday.
Hizbul Mujahideen leader Mast Gul, involved in the 1995 siege of Charar-e-Sharief shrine in Jammu and Kashmir, was behind a suicide attack on Shias in Peshawar that killed nine persons, a Pakistani Taliban commander has said.
At least 54 suspected militants belonging to a pro-Taliban outfit, including its spokesman, were killed on Wednesday when Pakistani fighter jets pounded their hideouts and troops clashed with the insurgents in the volatile northwest tribal region near the Afghan border.
The US also termed the release of Mumbai-terror attack accused Hafiz Saeed as "a step backward" in that direction.
The blast was claimed by both the local affiliate of the Islamic State terror group and by Jamaat-ul-Ahrar, a splinter group of the Tehrik-e-Taliban Pakistan.