They cast ballots at the Pakistani embassy's Iranian Interests Section in the well-heeled Glover Park neighbourhood of the US capital and at a mosque in suburban Manassas, Virginia.
An Iranian diplomat barred an AFP reporter from entering the Iranian Interests Section where two uniformed agents of the US Secret Service -- responsible for guarding embassy premises -- kept a discreet presence outside.
But from indoors, a few voters posted Twitter images of the polling booth hidden behind a draped Iranian flag, as well as a wet-towel dispenser for wiping off the blue finger paint used to mark ballots.
"He's pro young-generation," said Najmeh Molaei, a sleep therapist from Maryland who has lived in the United States for 20 years. "I hope whoever comes into power will do something for the people."
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