Those who are working in the name of Daesh [inside Afghanistan] are definitely Pakistani militia forces.

Hamid Karzai

The US responded to the 9/11 attacks by invading Afghanistan and toppling the Taliban.

More than 14 years later, Afghanistan remains plagued by violence as political instability continues to divide the country.

In this week's Headliner, Mehdi Hasan speaks to former Afghan President Hamid Karzai about the impact of the so-called global war on terrorism.

Karzai also comments on the rise of ISIL in the country, and dismisses al-Qaeda's presence in Afghanistan as a "myth".

Watch UpFront on Al Jazeera English on Fridays at 1930GMT.

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Source: Al Jazeera