The group has appealed to women to fight in Syria and Iraq in a last ditch effort that signals its imminent collapse, observers say.
The Taliban have been using advanced weapons available only to the Russian military, according to a security source in western Afghanistan.
The Taliban have denied the allegations.
Mullah Manan Niazi, deputy leader of a splinter Taliban group under Mullah Rasool, said individuals loyal to Mullah Haibatullah Akhundzada sent three suicide bombers to assassinate him.
Among the more than dozen dead, two policemen sacrificed their lives when they stopped the bomber from penetrating the inside of the shrine.
Militants are staunchly opposed to the brotherly relations between Pakistan and Afghanistan, so they leave no stone unturned to undercut their relations, observers say.
ISIS negotiated a deal for safe passage after a humiliating defeat on the Syrian-Lebanese border -- a sign the group is unable or unwilling to continue fighting, a Pakistani think tank says.
Counter-terrorism authorities are investigating why Pakistanis are joining terrorist organisations.
Police foiled a major terrorist plot during Eid celebrations.
Some 99% of profits from the illicit drug trade goes to terrorist groups and drug cartels, according to the Afghan Counter Narcotics Ministry.