Thousands of Afghans who have crossed the border into Iran are now being forced back home.
Iran says those being removed are illegal immigrants who paid money to get across the border.
Coping with the new arrivals is just one of the challenges Afghanistan faces as it prepares for foreign forces to leave next year.
Al Jazeera's Jennifer Glasse reports from the Islam Qala border in Afghanistan's Herat province.
Source: Al Jazeera