Mullah Omar was mysteriously killed in a hospital in Karachi city: NDS

Amid deepening rift among the Taliban leadership following Mullah Mohammad Omar’s death confirmation, the Islamic State Of Iraq and Syria (ISSI) terrorist group has claimed breakthrough in its efforts to gain a foothold in the country.

Afghanistan’s Taliban on Thursday confirmed the death of Mullah Omar, who led the group’s self-styled Islamic emirate in the 1990s, sheltered al-Qaida through the 9/11 attacks and led a 14-year insurgency against U.S. and North Atlantic Treaty Organisation troops.

Many ceremonies commemorating the Taliban chief have been reported to have taken place in Pakistan.

Taliban official Syed Mohammad Tayab Agha has now announced he is stepping down as director of the Political Office in the Qatari capital Doha, originally set up to enable the Taliban to negotiate in any peace process.

National Directorate of Security (NDS) has said the Taliban supreme leader Mullah Mohammad was mysteriously killed in a hospital in Karachi city of Pakistan. This set off fierce fighting between the rivals and the Taliban arrested the defectors, he said.

Mullah Mohammed Omar, that keeps bring the Taliban seeing it came out of the Afghan friendly battle in the 1990s, is presumed to have passed on few in the past, said us government resource.

The private television channel Tolo has also reported Mullah Yaqub’s death, also quoting lawmaker Qadir.

Tuesday’s statement by spokesman Zabihullah Mujahid called on supporters to “help write messages and letters on social media” to show a united front.

He said Mansour’s decision to send his delegation to the first official peace talks between Taliban and Afghan government representatives last month in Pakistan had bypassed Agha, the head of the negotiating team in Qatar.

Around 50 Taliban fighters in the northern Kunduz province joined the IS group three days ago after being offered money, the provincial governor’s spokesman, Abdul Wadood Wahidi, said.

The Afghan government, meanwhile, banned any public mourning for Mullah Omar, saying late Monday that it would cause “anguish and humiliation” for those who have lost loved ones to the war with the Taliban.

It said all security and defence forces had been directed that such rallies were “a legitimate military target”.