"The issue is do we agree on what steps are going to be taken mutually," he told Reuters.
Sources reveal to Post that Iran is still far from a full recovery following the July 2 explosion at an above-ground structure at the Natanz facility.
The US was "disappointed" with the Iranian response, a White House official reportedly to Walla News.
Earlier, a US official said the meeting between Blinken, Le Drian, Britain's Dominic Raab and Germany's Heiko Maas would also cover the coronavirus pandemic, Russia, China, Myanmar and climate.
Israeli officials declined to comment on Sunday.
"IPIS, the Iranian MFA think tank, hosted a Holocaust denial conference in 2006. Both Germany and the United States condemned the event."
Moreover, the report said that after smuggling the defector out of Iran and into Europe, he traveled with the migrants on an inflatable boat across the channel from France to England.
Iran already warned in July 2018 that uranium production would increase following the construction of an advanced factory, which would be ready in 10 months.
David Albright is as concerned as ever about Tehran plotting to obtain a nuclear bomb and emphasizes the need for Israel and the West to stand watch.