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CRITICALMILITARYVERIFIED

IAF bombs Arak heavy water reactor and Kheirabad industrial zone — confirmed strike, no casualties reported

·Arak, Markazi Province, Iran

Following IDF urgent evacuation warning, IAF bombed the Arak IR-40 heavy water reactor (Khondab) and Kheirabad industrial zone. Iran confirmed the Khondab heavy water production plant was hit, reporting this to the IAEA. IAEA: 'No radiation risk seen as installation contains no declared nuclear material.' Separately: IDF confirmed targeting was justified by 'repeated reconstruction attempts' since the June 2025 strike; IDF called it 'key infrastructure for producing plutonium for nuclear weapons.' Iran also reported the Khuzestan steel factory (radioactive sources) was struck — IAEA confirmed no off-site radiation from that site either. AEOI confirmed no radioactive materials released outside either facility.

The IDF officially confirmed on 27 March 2026 that the IAF bombed Iran's Arak heavy water reactor — the Khondab Heavy Water Research Reactor — citing it as 'key infrastructure for producing plutonium for nuclear weapons.' The IDF statement: 'Repeated reconstruction attempts by the Iranian terror regime at the site were later identified. Therefore, the IDF has struck the facility once again.' IDF nuclear justification: 'Even in its current state the heavy water can also be used as a neutron source for nuclear weapons.' The IDF accused Iran of deliberately leaving the conversion to a safer design incomplete: 'Despite explicit international commitments, foremost among them the nuclear agreement, the Iranian terror regime has systematically avoided converting the reactor so that it would not enable the production of weapons-grade plutonium, and even deliberately ordered that the conversion not be completed.' Economic dimension: 'The plant was also a significant economic asset for the terror regime and served as a source of income for the Iranian Atomic Energy Organization, generating tens of millions of dollars for the regime each year.' Under the 2015 JCPOA, the reactor core was removed and filled with concrete — but Iran never completed the full redesign. Iran's Atomic Energy Organization had been rebuilding the complex since June 2025.
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Actor responses

Israel Defense ForcesOPPOSINGMILITARY

@IDFFarsi Lt. Col. Penhasi: 'Urgent warning to all individuals in northwest Arak and Kheirabad industrial area. In the coming hours, the IDF will operate in the area to strike military infrastructure of the Iranian regime. Immediately leave the area.'

IranOPPOSINGMILITARY

Iran has not responded to the Arak evacuation warning. Arak hosts the IR-40 heavy water reactor and Kheirabad defense-industrial facilities, making it a sensitive target from both a military and nuclear perspective.

United StatesNEUTRALMILITARY

The US has not commented on the Arak strike warning. Any strike near the IR-40 heavy water reactor would have nuclear safety and diplomatic implications requiring US coordination.

Sources

Related signals (1)

IDF Farsi — Israel Defense Forces@IDFFarsiBREAKING

URGENT WARNING to all individuals located in the northwest of the city of Arak and those located in the Kheirabad industrial area in the Arak region. In the coming hours, the IDF will operate in the area to strike military infrastructure of the Iranian regime. For your safety, immediately leave the area.

PHAROS NOTEIDF Farsi spokesman Lt. Col. Penhasi — urgent Arak/Kheirabad evacuation warning; Arak hosts IR-40 reactor and IRGC industrial facilities