The United Nations' International Atomic Energy Agency (IAEA) says Iran is continuing to defy UN Security Council demands to halt uranium enrichment. A new IAEA report, released in Vienna today, says Tehran has instead expanded such activities.

A new U.N. nuclear agency report says Iran has expanded uranium enrichment, defying international demands to stop the sensitive nuclear work. The International Atomic Energy Agency also says its ability to monitor Iran's nuclear program has deteriorated because of a lack of access.

A sixty-day UN deadline for Iran to halt uranium enrichment expires today. The International Atomic Energy Agency is to report on whether Iran has met this deadline. But news agencies report the IAEA will likely say Iran has not only ignored the ultimatum but has expanded the program.

Inspectors for the International Atomic Energy Agency say Iran is beginning to enrich uranium on a much larger scale after solving most of its technical problems.

The top U.S. negotiator at North Korea's denuclearization talks says he expects Pyongyang will live up to its agreement in February to close its main nuclear reactor, even after missing a key deadline for the deal in April. VOA's William Ide has more from Washington.

An international affairs adviser to Supreme Leader Ayatollah Ali Khamenei has said Iran is capable of the "mass production" of centrifuges used for enriching uranium.

The International Atomic Energy Agency (IAEA) says Iran has begun making nuclear fuel in its underground uranium-enrichment plant. A newly disclosed letter from an official at the UN's nuclear watchdog says Iran has assembled some 1,300 centrifuges -- the machines that spin uranium gas into enriched material -- and eight cascades of the centrifuges are now operating at the facility at Natanz.

The director-general of the UN atomic watchdog agency, Muhammad el-Baradei, has called on Iran and Israel to join a nuclear-free zone in the Middle East. El-Baradei also said today the IAEA is ready to help Jordan acquire nuclear energy for peaceful use.

A spokeswoman for the International Atomic Energy Agency (IAEA) says Iran will have the capacity to build its own nuclear bomb in four to six years. Melissa Fleming told German Deutschlandfunk radio that this estimate still leaves time for diplomatic efforts to counter the potential threat.

The White House says it is disappointed by Iran's decision to limit cooperation with the United Nations nuclear agency. Russia and China are also urging Iran to comply with U.N. Security Council resolutions. Meanwhile, Iran is interrogating 15 British navy personnel it detained Friday. Leta Hong Fincher has more on the dispute over Iran's nuclear ambitions.

Iran says it is limiting cooperation with the United Nations nuclear agency after the Security Council imposed new sanctions. A government spokesman says Iran will reconsider when its case is returned to the International Atomic Energy Agency.

South Africa has offered amendments to a UN Security Council draft resolution expanding sanctions on Iran over its nuclear program. South Africa -- this month's council president -- wants a 90-day pause on imposing new sanctions on Iran, something mentioned in the past by Muhammad el-Baradei, head of the International Atomic Energy Agency.