Grossi, who had visited Tehran on the weekend, earlier said he had held "constructive" talks with Iranian officials after the discovery of uranium particles enriched to near weapons-grade level.
On his return to Vienna, Grossi recalled there had been "a reduction in monitoring activities related to cameras and monitoring systems" and said "we have agreed that those will be operating again".
"This is very, very important" in terms of continuity of knowledge, "in particular in the context of the possibility of the revival of JCPOA", he said, a reference to the Joint Comprehensive Plan of Action, which is the official name of the 2015 Iran nuclear deal.
Grossi’s visit to Iran followed the IAEA report which said that inspectors in Iran had found uranium particles enriched 83.7%, nearly bomb grade, at the Fordow plant. READ MORE
