Iran on Tuesday rejected as "unacceptable" U.S. President Barack Obama's demand that it freeze sensitive nuclear activities for at least 10 years, but said it would continue talks aimed at securing a deal, Iran's semi-official Fars news agency reported.
The United States made some progress in talks with Iran on its nuclear program and managed to "sharpen up some of the tough issues", a senior U.S. official said on Monday, but both sides said much remained to be done.
Iranian Foreign Minister Mohammad Javad Zarif denied on Sunday a media report that he had told the United States during nuclear talks that President Hassan Rouhani's political clout would be heavily damaged if negotiations failed.
Iranian Foreign Minister Mohammad Javad Zarif is to appear before parliament following controversy over a promenade with his American counterpart during intense nuclear negotiations in Geneva, state media reported on Sunday.
