Iran Reports US-Israeli Strike on Natanz Nuclear Facility; No Radiation Leak Detected

Iran's Atomic Energy Organization confirmed on Saturday morning, March 21, 2026, that US and Israeli forces struck the Natanz nuclear enrichment facility in central Iran, while stating that no radioactive material was released and that local residents faced no danger. The organization issued a statement carried by the Tasnim news agency describing the strike as a "criminal attack perpetrated by the United States and the usurping Zionist regime." The facility, located approximately 220 to 250 kilometers south of Tehran in Isfahan province, is regarded as the centerpiece of Iran's uranium enrichment program. Iranian authorities said the Natanz enrichment complex was targeted in the early hours of Saturday. The IAEA said it did not expect radiological consequences from the strike, consistent with its assessment following previous attacks on the site.

IDF says it has no knowledge of the strike Independent confirmation of the attack remained unavailable as of Saturday morning, with a significant discrepancy emerging between Iranian claims and Israeli military statements. Asked by the Jerusalem Post, the Israeli Defense Forces said they were not aware of an attack on the Natanz facility on this date. The United States also issued no immediate statement confirming or denying the strike. The Berliner Zeitung noted that it therefore remained unclear whether the facility was actually hit and by whom. Iran's nuclear ambassador Reza Najafi had previously addressed the IAEA Board of Governors in Vienna following an earlier strike on Natanz at the beginning of March, stating that Iran's peaceful and safeguarded nuclear facilities had again been attacked. „Again they attacked Iran's peaceful, safeguarded nuclear facilities yesterday” (Again they attacked Iran's peaceful, safeguarded nuclear facilities yesterday) — Reza Najafi via AP The Atomic Energy Organization similarly characterized Saturday's strike as a violation of international law.

Natanz has been hit repeatedly since the war began Saturday's reported strike is the latest in a series of attacks on Natanz since the broader US-Israeli military campaign against Iran began on February 28, 2026. The facility had already been targeted in early March 2026, with the IAEA confirming damage to entrance buildings of the underground enrichment plant at that time. Commercial satellite imagery captured after those strikes showed extensive damage to Iranian nuclear infrastructure. The United States and Israel had also bombed Iranian nuclear facilities in June 2025, causing severe damage. In anticipation of further strikes, Iran had reportedly taken additional protective measures at Natanz as early as mid-February 2026, according to the Institute for Science and International Security, which analyzed high-resolution satellite images showing new fortifications at the site.

The Natanz facility, officially known as the Shahid Ahmadi Roshan Nuclear Facilities, was revealed to the world in 2002. It consists of both above-ground and underground uranium enrichment plants housing nearly 70 centrifuge cascades. The United States and Israel launched Operation Epic Fury on February 28, 2026, with US President Donald Trump naming the destruction of Iran's nuclear program as a primary war aim. The June 2025 Israeli strikes on Iranian nuclear facilities preceded the broader conflict and caused significant damage to Natanz at that time. Iran has responded to the ongoing campaign with missile and drone attacks on Israel and on several Gulf states and US facilities in the Gulf region.

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Trump eyes war objectives as Iran's nuclear program erodes The reported strike on Natanz fits within the stated strategic framework of the US-led campaign, which President Donald Trump has described as aimed at permanently preventing Iran from obtaining nuclear weapons. Trump said on Friday that the United States was getting very close to meeting its objectives and was considering winding down the military operation. He also replied "I think so" when asked whether Israel would be ready to end the war once the nuclear program was destroyed. The White House has consistently framed the elimination of Iran's nuclear and missile capabilities as the central war aim. Israel, for its part, has described the Iranian nuclear and missile program as its greatest existential threat. The US also temporarily lifted sanctions on Iranian oil at sea on Saturday and said it would help other countries police the Strait of Hormuz if asked, signaling a possible shift in the conflict's trajectory. Tehran has continued to respond with missile and drone strikes on Israeli territory, including a missile that damaged a kindergarten in Rishon Lezion, as the conflict entered its fourth week.