Return Of Millions Of Afghans Fuels Terror Potential

Newly arrived Afghan migrants from Iran queue to receive food packages at the Islam Qala border crossing in Herat. A massive spike in millions of migrants could fuel Islamic State militancy, diplomatic and security sources fear (Credit: AFP)

A massive spike in millions of migrants forced back into impoverished Afghanistan by Pakistan and Iran could fuel Islamic State militancy, diplomatic and security sources fear.

Around 2.6 million Afghans have returned since January, including many who have spent decades abroad or who are setting foot in Afghanistan for the first time.