Hamid Baqaei, the vice-president for executive affairs under former president Mahmoud Ahmadinejad was detained on Monday afternoon, according to Judiciary spokesman Gholamhossein Mohseni Ejei.
Mohseni Ejei announced the news speaking at a press conference.
The European Union is telling Iran to cooperate with a stalled U.N. probe of suspicions that it worked on atomic arms if the country wants a nuclear deal that will see removal of sanctions.
The cautionary EU statement comes ahead of a June 30 target date for such an agreement. It was obtained by The Associated Press ahead of its delivery at a meeting of the U.Ns International Atomic Energy Agency that opens Monday.
The trial of Washington Post correspondent Jason Rezaian on charges of spying on Iran resumed behind closed doors in Tehran on Monday, a news agency linked to the judiciary reported.
MizanOnline gave no details of the new hearing before Branch 15 of the Tehran revolutionary court.
Experts of Iran and Group 5+1 have currently focused on procedure to lift sanctions, Director General for Political and International Affairs of the Ministry of Foreign Affairs Hamid Baeedinejad said on Tuesday.
Baeedinejad is heading Iranian team to the expert meeting with G5+1.
Iranian Minister of Culture and Islamic Guidance failed to convince Irans Members of Parliament by his remarks on press freedom, Tasnim News Agency reported on Tuesday.
Having been questioned by some MPs over press freedom on Tuesday, Iranian Minister of Culture and Islamic Guidance Ali Jannati said that the ministry is accused of giving a lot of freedom to press, but what is important is the constitution that recognizes freedom of expression for the press unless it violates principles of Islam or public rights.
Senior member of the Iranian negotiating team Abbas Araqchi said Tuesday that once reached, a comprehensive nuclear deal between Iran and the six governments will have a certain period of time.
Nuclear talks between Iran and six world powers are accelerating as the sides try to seal a deal by the June 30 target date.
After a meeting last week that stretched into the weekend, experts from all seven nations are resuming negotiations Tuesday. They will be joined by senior officials later in the week.
The Iranian foreign ministry announced that it has send a letter to Riyadh to protest at the Saudi-led coalition attacks near Tehrans mission in the Yemeni capital.
A Saudi security official says two airport employees have been convicted and sentenced to four years in prison each for sexually harassing two male Iranian pilgrims.
The official says the court also ordered that the two workers at Jiddah International Airport receive 1,000 lashes each. The official spoke on condition of anonymity because he is not authorized to talk to the media.
A number of Iranian university professors have sent a letter to President Rouhani, saying the Americans who once slapped inspections on Iraq are now seeking to impose an inspection regime on the Islamic Republic.
Irans Foreign Minister Moammad Javad Zarif and Minister of Culture and Islamic Guidance Ali Jannati attended the Irans National Orchestra concert along with a number of other Iranian officials and Tehran-based foreign dignitaries and ambassadors.
The international group of negotiators wants to ink a comprehensive agreement with Iran on Tehrans nuclear program but the parties have not yet agreed on a verifiable deal, French Foreign Minister Laurent Fabius said.
Mehdi Hashemi, son of Chairman of Expediency Council Ayatollah Akbar Hashemi Rafsanjani, was sentenced to 10 years in prison after his appeal was overturned, it was announced on Thursday.
Commander of Irans Basij (volunteer) Force Brigadier General Mohammad Reza Naqdi said the western demand for inspecting Irans military centers under a final nuclear deal would pose a major threat to the country and will, thus, be impossible.
The US says it has taken steps to ensure confidentiality of nuclear talks between Iran and major world powers, denying a report that Israel has been spying on the negotiations.
We take steps, certainly, to ensure that confidential, that classified negotiating details stay behind closed doors in these negotiations, State Department spokesman Jeff Rathke said Thursday.
Provisional Friday prayers leader Ayatollah Ahmad Khatami said that all political groups should help the countrys negotiating team to succeed in their negotiations with the representatives of the world powers.
Irans President Hassan Rouhani has called for the expansion of ties between Tehran and Moscow, stressing the need for the promotion of bilateral and multilateral cooperation in various fields.
Deputy foreign ministers of Iran and the 5+1 member states held a meeting in Vienna on Friday to review the process of drafting the final nuclear deal.
Head of Irans Civil Defense Organization Brigadier General Gholam Reza Jalali said on Saturday that Tehran and Moscow have reached an agreement to work together in the field of cyber-defense.
Great blocking and excellent serves lead Irans volleyball team to a historic victory against Russia in the FIVB World League.
Iran beat Olympic champion Russia 3-1 (20-25, 25-16, 25-19, 25-23) in Kazan on Saturday, increasing its tally of points to four in the fifth week of the major games as a struggling Russian side failed to deny the Iranians their first ever victory against the European giants.
Iranian President Hassan Rouhani says the achievements of his administration in safeguarding the nuclear rights of the Islamic Republic are a big victory for the Iranian nation.
The Iranian president made the remark in a press conference in the Iranian capital, Tehran, with the members of Iranian and foreign media.
President Hassan Rouhani said a final nuclear deal is within reach as Iran and six world powers face a June 30 deadline for an agreement.
Rouhani told a press conference Saturday that negotiations between Iran and the six-nation group the U.S., Russia, China, Britain, France and Germany are making progress, although some gaps still remain.
President Hassan Rouhani said on Sunday that the government will use all the capacities to remove anti-Iranian sanctions.
Speaking to a large gathering of people in Bojnurd, President referred to the economic pressure of sanctions on common people, adding that those who suppose sanctions are unimportant are not aware of the peoples pocket.
US Democratic Presidential Candidate Hillary Clinton said Russia, North Korea and Iran are traditional security threats to the United States during her first major campaign speech on Saturday in New York.