Al-Qaeda opted model of 'cooperation and advisory' to avoid unnecessary preference divergence in South Asia
Adel is now the "uncontested" leader of the group, according to a new UN report on the organisation
Zawahiri was killed in a U.S. strike, the biggest blow to militant group since bin Laden was killed in 2011
Before 9/11, Pakistanis had not known about suicide terrorism
US officials say the laser precision was due to drone-fired Hellfires, causing no collateral damage
Islamabad dispels impression of any hand in his killing
Al Qaeda leader Ayman al-Zawahiri was killed in a US drone strike in Kabul over the weekend
Al-Qaeda leader Ayman al-Zawahiri was killed in Kabul in a CIA drone strike
We have visual confirmation, says national security spokesperson
Two intelligence sources say Ayman al-Zawahiri was killed in a 'successful' counterterrorism operation