'Emergency' at Afghan border as migrant returns from Iran surge ahead of deadline
In late May, Iran said undocumented Afghans must leave the country by July 6, potentially impacting four million people, out of the six million Afghans Tehran says live in the country.
Numbers of people crossing the border have surged since mid-June, with a peak of more than 43,000 people crossing at Islam Qala in western Herat province on July 1, the UN refugee agency UNHCR said on Friday.
The UN migration agency IOM said more than 250,000 Afghans returned from Iran in June.
UNICEF country representative...