UN nuclear chief urges strict Iran checks in any deal to end war

Director General of the International Atomic Energy Agency (IAEA) Rafael Grossi arrives for a press conference in Seoul, South Korea, Wednesday, April 15, 2026. (Kim Hong-Ji/Pool Photo via AP)
Director General of the International Atomic Energy Agency (IAEA) Rafael Grossi arrives for a press conference in Seoul, South Korea, Wednesday, April 15, 2026. (Kim Hong-Ji/Pool Photo via AP)

The head of the UN’s nuclear watchdog says that “very detailed” measures to verify Iran’s nuclear activities must be included in a potential US-Iran agreement to end their war in the Middle East.

International Atomic Energy Agency Director General Rafael Grossi stresses the need for a thorough verification regime for Iran’s nuclear program, as US President Donald Trump said that a second round of talks with Iran could happen over the next two days.

“Iran has a very ambitious, wide nuclear program so all of that will require the presence of IAEA inspectors,” Grossi tells reporters in Seoul. “Otherwise, you will not have an agreement. You will have an illusion of an agreement.”

He says that any agreement on nuclear technology “requires very detailed verification mechanisms.”

Iran has not allowed the IAEA access to its nuclear facilities bombed by Israel and the United States during a 12-day war in June, according to a confidential IAEA report circulated to member states in February.

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