Drone strike killing of al-Qaeda’s Ayman al-Zawahiri deals setback to Taliban

Antonio Giustozzi, senior research fellow at Rusi, the London-based think-tank, said with Isis weakened by counter-insurgency operations, there was the potential for al-Qaeda to “stage a comeback”. But that would depend on who replaces Zawahiri in what is expected to be a difficult succession process, he added.