The UN's latest inspection of Iran's nuclear processing plants has turned up worrying details of rising capacity and signs of a growing cover up. Iran still says it's only for energy, not weapons.
But there was nothing peaceful about some of the language used today in the rising tension between Iran and Israel, as our Middle East Correspondent John Ray reports.
The White House says it is closely studying the UN report on Iran's nuclear program. It warns the opportunity to resolve the issue diplomatically "will not remain open indefinitely".
United Nations nuclear inspectors say they are concerned about Parchin, a military site south of the Iranian capital Tehran because:
- Five buildings have been demolished
- Power lines, fences and paved roads removed
- The activity could hamper any inspection for evidence of past weapons development
Mark Fitzpatrick from the International Institute for Strategic Studies says Iran is "flouting" the UN by increasing its enrichment production.
Iran's supreme leader says the country will not abandon its "peaceful" atomic program. The United States and its allies suspect Iran is trying to develop nuclear weapons, a charge Tehran denies.
Ayatollah Ali Khamenei has the final say on all state matters in Iran.
The UN's nuclear watchdog says Iran is preparing for a possible major expansion of uranium enrichment in an underground complex.
- The Fordow site is buried deep inside a mountain
- The number of enrichment centrifuges there has more than doubled to 2,140 from 1,064 in May
- However, the new machines are not yet operating
The International Atomic Energy Agency also says "extensive activities" at Iran's Parchin military complex will hamper its investigation of possible past nuclear weapons development work there - if inspectors are granted access.
The United Nations' nuclear chief has said he would not be surprised if North Korea carried out a new nuclear test.
Yukiya Amano, director general of the International Atomic Energy Agency, said at a conference in the Swiss town of St Gallen: