Washington Post: Iran is using 4,000 centrifuges to enrich uranium and plans to install an additional 3,000 of the devices, Deputy Foreign Minister Ali Reza Sheikh Attar said Thursday in an interview on Iranian state television.

AP: Iran has increased the number of operating centrifuges at its uranium enrichment plant to 4,000, a top official said Friday, pushing ahead with the nuclear program despite threats of new U.N. sanctions.

AP: Iran's official IRNA news agency says the government now has nearly 4,000 centrifuges operating in its uranium enrichment plant.

Reuters: U.S. Democratic presidential candidate Barack Obama said on Monday the world must increase pressure on Iran to rein in its nuclear program and avoid a situation where Israel feels cornered.

AP: Democratic presidential candidate Barack Obama pledged Monday that he would step up diplomatic pressure to prevent Iran from developing nuclear weapons before Israel feels that "its back is against the wall" and might take military action.

New York Sun: On the heels of a breakdown in talks intended by the West to defuse the Iranian nuclear crisis, Iran is planning to build a new nuclear power facility.

AP: Iran's official news agency says the country has begun designing its second light-water nuclear power plant, a 360-megawatt facility in the southwest.

AFP: Iran's supreme leader Ayatollah Ali Khamenei on Saturday praised the country's government for resisting international pressure on the Islamic republic to halt its controversial nuclear programme.

Reuters: Iran described talks with a top U.N. inspector over its nuclear program -- which the West fears is a cover to build atomic bombs -- as "positive", the official IRNA news agency reported on Wednesday.

AFP: Iran's Atomic Energy Organisation on Tuesday tasked six local companies to hunt for potential sites for new nuclear power plants, the official news agency IRNA reported.