German Foreign Minister Frank-Walter Steinmeier, left, French Foreign Minister Laurent Fabius, 2nd left, Chinese Foreign Minister Wang Yi, 3rd left, European Union foreign policy chief Federica Mogherini, centre in red, U.S. Secretary of State John Kerry, 4th right, and Russian Foreign Minister Sergei Lavrov, right, meet at a hotel in Vienna Monday July 13, 2015. Negotiators at the Iran nuclear talks plan to announce Monday that they've reached a historic deal capping nearly a decade of diplomacy that would curb the country's atomic program in return for sanctions relief, two diplomats told The Associated Press on Sunday. Other attendees at meeting not Identified. (Carlos Barria/Pool Photo, via AP) (The Associated Press)
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Tents of TV crews stand in front of Palais Coburg where closed-door nuclear talks with Iran continue in Vienna, Austria, Monday, July 13, 2015. (AP Photo/Ronald Zak) (The Associated Press)
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Tents of TV crews stand in front of Coburg where closed-door nuclear talks with Iran continue in Vienna, Austria, Monday, July 13, 2015. (AP Photo/Ronald Zak) (The Associated Press)
VIENNA – Negotiations over Iran's nuclear program are entering their 17th — and possibly last — day in Vienna as diplomats continue to haggle over details ahead of the expiration of an interim accord.
With the temporary deal set to expire at midnight Monday, diplomats said they were planning to complete and announce a final agreement before day's end. But, they warned there was no guarantee.
The deadline for the end of the current round of negotiations has already been extended three times and diplomats said there was little appetite for a fourth.