IAEA director says Iran's enriched uranium can't be located following US military strikes

The U.S. military on Saturday carried out massive precision strikes on three key nuclear sites in Iran, including Fordow, Natanz and Isfahan.

Grossi said Natanz was the first to be hit and sustained "very serious damage" in one of the centrifuge halls where enrichment was being carried out. Isfahan also sustained damage, he added, though nobody has been inside the halls to assess the damage.

MacCallum asked Grossi about a statement in which he previously said he believed 900 pounds of potentially enriched uranium was taken to an ancient site near Isfahan.

He told the host Iran officials told him they were taking protective measures which may or may not include moving around the material.

"So, it is quite obvious you are asking me about it, that there is a question there: Where is this?" Grossi said. "So, the way to asserting that is to allow the inspection activity to resume as soon as possible. And I think this would be for the benefit of all."

"I wouldn't argue with that because 60% is not 90%," Grossi said, but more important is figuring out if the uranium was moved and where it is located. "My obligation is to account for every gram of uranium that exists in Iran and in any other country," he said, adding that the investigation is not a discriminant approach against Iran.

Vance said in his statement that the mission was a success if Iran cannot convert the uranium to 90% for a nuclear weapon, and Grossi agreed with that statement, at least in terms of a military approach.

But Grossi's job is different.

"My job is to try to see where is this material, because Iran has an obligation to report and account for all the material that they have, and this is going to continue to be my work," Grossi said.