War against Iran has had ‘relatively marginal’ impact on nuclear program: UN weapons inspector

The Hill
by Max Rego
March 22, 2026
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3 min read

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Rafael Grossi, director general of the International Atomic Energy Agency, said in a weekend interview that recent U.S.-Israeli military strikes against Iran have caused only "relatively marginal" damage to Tehran's nuclear program compared to strikes conducted last June. Grossi's assessment suggests the latest campaign, which followed Iranian missile attacks on Israel, has been less effective at disrupting Iran's nuclear advancement than the previous round of strikes. The comment underscores ongoing tensions over Iran's nuclear ambitions, which Western powers and Israel view as a threat to regional security. Grossi's position as the UN's chief nuclear watchdog makes his assessment significant, as the IAEA monitors Iran's nuclear activities under international agreements. The statement indicates that despite military pressure, Iran's nuclear program continues to progress, complicating diplomatic efforts to contain Tehran's nuclear capabilities.

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