Massive explosion at Iranian port linked to missile fuel shipment kills 25, injures over 800 people

A massive explosion and fire rocked a port Saturday in southern Iran purportedly linked to a shipment of a chemical ingredient used to make missile propellant, killing 25 people and injuring around 800 others. Helicopters and aircraft dumped water from the air on the raging fire through the night into Sunday morning at the Shahid Rajaei port. The explosion occurred just as Iran and the United States met Saturday in Oman for the third round of negotiations over Tehran's rapidly advancing nuclear program.

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No one in Iran outright suggested that the explosion came from an attack. However, even Iranian Foreign Minister Abbas Araghchi, who led the talks, on Wednesday acknowledged that "our security services are on high alert given past instances of attempted sabotage and assassination operations designed to provoke a legitimate response."

State media offered the casualty figures, saying authorities identified only 10 of the dead, including two women. Meanwhile, state TV reported the fire was under control and will be fully extinguished later Sunday. It also said activities have resumed at the port, showing footage of containers of a commercial ship being unloaded.

There were few details on what sparked the blaze just outside of Bandar Abbas, causing other containers to reportedly explode. Private security firm Ambrey says the port received missile fuel chemical in March. It is part of a shipment of ammonium perchlorate from China by two vessels to Iran, first reported in January by the Financial Times. The chemical used to make solid propellant for rockets was going to be used to replenish Iran's missile stocks, which had been depleted by its direct attacks on Israel during the war with Hamas in the Gaza Strip.