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.

13 September 2021