The head of the IAEA, Rafael Mariano Grossi, has called on Iran to explain why traces of enriched uranium were found at previously undeclared nuclear research sites three years ago. Grossi is pictured at the UN Headquarters on August 2.
Mandatory Credit: Lev Radin/Pacific Press/LightRocket/Getty Images
Stories this photo appears in:
IAEA says it will not close probe into Iran's unexplained traces of uranium without answers
The head of the International Atomic Energy Agency (IAEA) has again called on Iran to explain why traces of enriched uranium were found at previously undeclared nuclear research sites three years ago.
