Aid workers in Iran say US sanctions are hampering their ability to help people affected by massive flooding.
Southwest Iran is suffering from some of the worst flooding in decades - and more rain is forecast to come.
The government has ordered tens of thousands of people to leave their homes in the city of Ahvaz, the capital of Khuzestan province.
Hundreds of villages in the oil-rich province have also been evacuated.
Al Jazeera's Zein Basravi reports from Tehran.
