Flying in from London on the last stop of a week-long trip, Kerry was to brief his French, German and British counterparts on the negotiations.
The US secretary of state spent three days in Switzerland earlier this week huddled with Iranian Foreign Minister Mohammad Javad Zarif in the latest round of intense negotiations seeking to hammer out a deal as a March 31 deadline looms.
"There has been progress but as regards the numbers, controls and the length of the agreement, the situation is still not sufficient, so there is more work to be done," Fabius said yesterday.
Fabius gave no figures but key issues in the talks which began in late 2013 include the level of uranium enrichment that Iran should be allowed, the degree of international oversight of its programme and how long an accord should last.
"The deadline is March 31 but in the event it could be later, although everyone wants to make progress by the end of the month," Fabius said.
Iran has long denied seeking to arm itself with an atomic bomb, insisting its nuclear programme is for peaceful civilian purposes.
Kerry has acknowledged that he is uncertain whether a deal can be reached, warning that time is running out amid domestic pressures both in the US and Iran.
But Iran's nuclear chief Ali Akbar Salehi, who met this week with the US Energy Secretary Ernest Moniz, insisted "we have overcome the stalemate over technical issues.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
