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In Islam, the Devil is known as Iblīs (Arabic: إبليس, plural: ابالسة abālisah) or Shayṭān (Arabic: شيطان, plural: شياطين shayāṭīn).
On December 16, 2014, seven abālisah (ابالسة) belonging to the Tehrik-i-Taliban Pakistan (TTP) attacked the Army Public School in the Pakistani city of Peshawar. These ignominious shayāṭīn (شياطين+) entered the army school and mercilessly opened fire on the staff and children. About 1,099 pupils and teaching staff were present on the school premises at that time. They killed 145 people, including 132 schoolchildren, aged between eight and eighteen years, 10 school staff members and three soldiers. Reports say most of the children were shot in the head.
The Special Services Group (SSG) special forces of the Pakistan Army launched a rescue operation. The SSG rescued 960 people and killed all seven terrorists.
According to the Chief Military spokesman Major General Asim Bajwa at least 130 people had been injured in the attack in addition to the killed innocents.
This was the deadliest terrorist massacre ever to occur in Pakistan. It surpassed the 2007 Karachi bombing.
Two days later TTP confirmed the main Shayṭān behind the Peshawar attack is Umar Mansoor aka nary (meaning slim in Pashto). This devil is a close aide of Mullah Fazlullah, the fanatic who had sent gunmen to kill the teenager Malala Yousafzai.

A video released on December 16, 2014 by the Taliban shows Shayṭān Umar Mansoor, ascribed as a leader (amir) of Peshawar shouting:
“If our women and children die as martyrs, your children will not escape. We will fight against you in such a style that you attack us and we will take revenge on innocents.”
In the meantime, former Pakistani President Pervez Musharraf in an exclusive interview conducted by CNN – IBN hollered blatantly like a fool:
“Do you know who is Maulana Fazlullah? He is the Tehrik-e-Taliban Pakistan commander. He is in Afghanistan. And I am reasonably sure that he was supported by former Karzai government and RAW to carry out terror attacks in Pakistan.”
Pervez Musharraf, the former commander-in-chief of Pakistan army, the man who foolishly blamed India as responsible for this inglorious act, is also condemned by the Taliban. According to the statement of Shayṭān Umar Mansoor, the brutal attack was in retaliation to all the military operations carried out by the Pakistani Army.
Let us hope that Pervez Musharraf will think twice before uttering such nonsense in the future.