The sources told Reuters on Friday that the main aim of the visit is to discuss concerns over Iran's nuclear program with the country's high-ranking officials.
Although early reports indicate that the high-level IAEA team will be in Tehran on January 28, the exact time has not been finalized and the UN sources said the visit might happen a day later than the above date.
On Monday, December 19, Western diplomats said that Iran had reinstated an invitation offer for IAEA inspectors to visit the country after a previous invitation, issued in October, was rejected.
A senior diplomat, who spoke on condition of anonymity, said that a top-level IAEA mission could fly to Iran in late January if Tehran agrees to meet agency calls to supply information on its nuclear work.
The invitation comes after the IAEA chief rejected a previous offer earlier this year to visit Iran, claiming that Tehran had refused to address the agency's specific concerns.
Following the invitation, Iran's Ambassador to the IAEA Ali Asghar Soltanieh said on Tuesday, December 20, that Tehran is ready to address any concerns about its nuclear program.
Iranian officials have expressed numerous concerns about repeated efforts by the IAEA inspectors to leak data about Iran's nuclear program and scientists to foreign governments, leading to terrorist attacks against a number of Iranian nuclear scholars. The IAEA has so far ignored Iran's concerns.
In the latest instance of terrorist attacks against Iranian citizens, nuclear scientist Mostafa Ahmadi Roshan was killed on January 11, after an unknown motorcyclist attached a magnetic bomb to his vehicle.
According to reports, Ahmadi Roshan had recently met International Atomic Energy Agency (IAEA) inspectors, a fact which indicates that the IAEA has leaked information about Iran's nuclear facilities and scientists.
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UN diplomatic sources have announced that a team of International Atomic Energy Agency's (IAEA) nuclear inspectors are set to visit Iran later this month.
News ID 181375