Richard Ratcliffe, the husband of the jailed British-Iranian dual national Nazanin Zaghari-Ratcliffe, has gone on hunger strike.
Mr Ratcliffe is taking the action outside the Foreign Office, which he says is not doing enough to secure the release of his wife.
Mrs Zaghari-Ratcliffe, who has been held in Iran for five years on spying charges, recently lost her appeal against a second prison sentence.
SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews
Follow us on Twitter: https://twitter.com/skynews
Like us on Facebook: https://www.facebook.com/skynews
Follow us on Instagram: https://www.instagram.com/skynews
For more content go to http://news.sky.com and download our apps:
Apple: https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8
Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB
Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/skynewsespanol