Iranian President Mahmud Ahmadinejad says his country now has 3,000 centrifuges that are enriching uranium. Ahmadinejad said that Iran has taken "another step in the nuclear progress and launched more than 3,000 centrifuge machines."

US: North Korea to Disable Its Nuclear Plants This Year. The chief U.S. nuclear envoy says North Korea has agreed to identify all its nuclear programs and disable them by the end of this year.

Western news agencies have quoted a confidential report by the International Atomic Energy Agency (IAEA) as saying that Iran is cooperating with IAEA inspectors to resolve outstanding issues.

In his first major foreign policy speech as French president, Nicolas Sarkozy said that an Iran with nuclear weapons was unacceptable. And he warned that Iran could be attacked militarily if it did not meet its international obligations to curb its nuclear program.

Tehran has achieved full proficiency in the nuclear fuel cycle, President Mahmoud Ahmadinejad reiterated Tuesday. He also said that dialogue and friendship - not threats - were the right way to deal with Iran.

Iranian President Mahmoud Ahmadinejad has again defended his country's right to develop nuclear energy. At a news conference during a visit to Algeria, Ahmadinejad Tuesday denounced nations for trying to isolate his country over its nuclear program.

Four inspectors from the UN nuclear watchdog arrived in Tehran Monday to discuss further technical issues in talks aimed at allaying international concerns over Iran's nuclear program, the IRNA news agency said.

Radioactive contamination could delay the work of experts from the UN nuclear watchdog to seal North Korea's nuclear facilities, shut down by Pyongyang under a disarmament deal agreed in Beijing in February, the Kyodo news agency said Wednesday.

Iran's official news agency, IRNA, reports that a group of United Nations nuclear inspectors has visited one of Iran's key nuclear sites.

Another group of inspectors from UN's nuclear watchdog has arrived in North Korea to observe the second phase of Pyongyang's obligation to wrap up its controversial nuclear program, the Xinhua news agency reported Saturday.

The State Department says Iran's continued defiance over its nuclear program should be met with more sanctions resolutions in the U.N. Security Council.

Iranian President Mahmud Ahmadinejad has said his country will never yield to international pressure to suspend its nuclear program. Appearing on state television, Ahmadinejad said any further UN resolutions would not prevent Iran from obtaining nuclear technology.