In recent weeks, the official said, the Iranians have “improved their centrifuges both quantitatively and qualitatively.” Alongside efforts to create the material for a bomb through uranium enrichment, Iran was at the same time also working at its Arak heavy water plant on a parallel path to build a bomb based on plutonium.
“They are determined to get a bomb one way or another,” he said, adding that the world needed to be equally determined to prevent them from doing so.