Richard Ratcliffe, the husband of imprisoned Nazanin Zaghari-Ratcliffe, and their 7-year-old daughter Gabriella hold up pictures of Nazanin in Parliament Square in London in September 2021, to mark the 2,000 days she has been detained in Iran. AP

Nazanin Zaghari-Ratcliffe talks 'go to the wire' as UK prioritises paying Iran debt