"British-Iranian dual nationals wrongly imprisoned must be freed," Hunt tweeted later on Monday.
"I've pressed hard on this today -- innocent people should not be turned into diplomatic pawns." Zaghari-Ratcliffe, who works for the Thomson Reuters Foundation -- the media organisation's philanthropic arm -- was arrested at Tehran airport in April 2016.
She is serving a five-year jail sentence for sedition -- and has denied all charges filed against her.
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