Nazanin Zaghari-Ratcliffe: 'Boris should resign' says Sadiq Khan
Mayor of London Sadiq Khan has called for Boris Johnson to resign over comments he made about a British-Iranian woman being held in Iran.
The foreign secretary caused consternation when he told a group of MPs that Mrs Zaghari-Ratcliffe had been "training journalists" in Iran.
Her family say Mrs Zaghari-Ratcliffe was in Iran visiting family,