Western powers told Iran on Thursday it must step up cooperation with a U.N. watchdog investigation into suspected atomic bomb research if it wants to get a broader nuclear deal that would ease sanctions on the oil producer.
Iran has failed to address concerns about suspected atomic bomb research by an agreed deadline, the UN nuclear watchdog said on Friday, a setback to hopes for an end to an international stand-off over Tehran`s atomic activity.
A US security institute estimates that Iran could amass material for a nuclear bomb in three months or less while Iranian experts cite a time frame six times longer - a dispute going to the heart of talks between Tehran and global powers.
IAEA, Iran make progress on nuclear bomb probe
Vienna: Iran has agreed to address some of the many long-held allegations that it conducted research into making nuclear weapons before 2003 and possibly since, the UN atomic watchdog said today.
Iranian leader Hassan Rouhani called on Thursday for Israel to put its suspected nuclear arms under international control ahead of a landmark meeting between foreign ministers from Iran and western nations.
US President Barack Obama has said America will keep "all options on the table" to stop Iran from going nuclear, noting that Tehran is "over a year or so" away from developing an atom bomb, if it has any such plans.