The Taliban are back – will al-Qaeda follow?
In the wake of 9/11 attacks, the US went on the hunt for al-Qaeda, the stateless jihadist group led by Osama Bin Laden that became a global terror network.
Over the past 20 years, al-Qaeda unleashed attacks around the world, and inspired the emergence of other militant groups.
But where is it now - and could its terror threat creep up again? BBC Arabic's Murad Batal Shishani explains.