Afghan citizen Enayatullah Asghari watched dismayed after Israel and Iran launched strikes on each other last month, as the Gulf nation where he had sought refuge turned more hostile, work on Tehran building sites dried up and he was accused of spying.

The source also disputed suggestions that Iran had time to move enriched uranium stockpiles out of its nuclear facilities before the strikes. "It was stockpiled at Isfahan, Natanz and Fordow and it's now under the rubble," they said.