TEHRAN, Iran - International nuclear inspectors will visit two sites in Iran in the coming days, the country's official news agency reported Sunday, as an official said that would fulfill a series of demands made by the U.N. nuclear watchdog.

The demands by the International Atomic Energy Agency, which Iran was required to meet by May 15, include releasing information about its efforts to develop a type of explosive detonator that can be used in nuclear weapons.

A report by Iran's official IRNA news agency quoted Behrouz Kamalvandi, spokesman of Iran's atomic department, as saying the inspectors will visit a uranium mine and a uranium-thickening facility in central Iranian towns of Ardakan and Yazd on Monday and Tuesday.

"Following the visit, Iran will be able to say that the seven-agreed measures between Iran and the agency have fulfilled," Kamalvandi said. "Already six steps have been taken."

He did not elaborate. His comments refer to an agreement struck between the U.N. nuclear watchdog and Iran in February, which included the detonators.

The agency mentioned its concerns about detonator development three years ago as part of a list of activities it said could indicate Tehran had secretly worked on nuclear weapons.