Media playback is unsupported on your device

US on Iran nuclear deal: 'Important issues to resolve'

8 November 2013 Last updated at 15:01 GMT

Ministers of key world powers have gathered in Geneva to try to clinch an agreement on Iran's nuclear programme.

US Secretary of State John Kerry has interrupted the itinerary of his tour to the Middle East and North Africa to attend.

After arriving in Switzerland, Mr Kerry said the group was doing "important work" to "narrow differences".

He said important issues remained "unresolved".

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.