"Contrary to the decisions of the (UN) Security Council, Iran has not suspended its enrichment related activities, having continued ... the installation of new cascades and the operation of new generation centrifuges for test purposes," the International Atomic Energy Agency said in a restricted report, a copy of which was obtained by AFP.

The report added that the IAEA had been unable to make any "substantive" progress during inquiries into whether the nuclear programme has a military aspect.

"Regrettably, as a result of the lack of cooperation by Iran in connection with the alleged studies and other associated key remaining isuses of serious concern, the agency has not been able to make substantive progress on these issues," the report said.

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