Tehran doesn't guarantee Iran's nuclear deal today

According to Iranian Deputy Foreign Minister Abbas Araghchi, there is no guarantee that Iran and the world powers will reach a final agreement on Iran’s nuclear program tonight or tomorrow. He said that some problems still remain.

Earlier, the EU's top diplomat Federica Mogherini said that "all the EU team are at work on the Iranian talks. Decisive hours". US Secretary of State John Kerry also spoke yesterday about the possible signing of an agreement, RIA Novosti reports.