Iran said Sunday had refused a request by the Swiss Embassy to travel to the site where an American is believed to have disappeared earlier this year.
Iran on Sunday said it was still holding discussions with Russia to agree a date for the completion of its first nuclear power plant, a much delayed project being built by Russian engineers.
High domestic consumption is harming Iran's oil industry on top of international financial pressures linked to its nuclear programme, a top oil official was quoted as saying on Sunday.
The chief U.N. nuclear inspector's approach to Iran is leading to U.S. accusations that he has overstepped his authority, diplomats said Sunday, as Iran's supreme leader denied Western assertions that his country was interested in atomic weapons.
President Mahmoud Ahmadinejad on Sunday lashed out at his Western foes which demand Iran halt its sensitive nuclear activities, saying they were "racing to hell".
The chief of the U.N. nuclear watchdog will tell skeptical nations on its governing board this week Iran's pledge of atomic transparency should be given a chance to work, not dismissed as a time-buying ruse.
Iran's supreme leader on Sunday denied his country had any plans to build atomic weapons, but the president insisted the nuclear program itself was not negotiable.
Iran said on Sunday it was seeking clues over the fate of a US former FBI agent who reportedly disappeared while visiting the Islamic republic six months ago.
Iran's talks with Russia on the start-up of the Islamic state's first nuclear power plant are making progress, the Foreign Ministry said on Sunday, days after local media reports said a deal had already been reached.
Iran Denies Plans to Build an Atomic Bomb, but Says Nuclear Program Not Negotiable