On 26 April 2025, an explosion and fire occurred at the Port of Shahid Rajaee in southern Iran, which is part of Bandar Abbas's larger port infrastructure, killing 57 people and injuring over 1,000 others, according to state media reports. The blast, at around 12:20 Iran Standard Time, originated from several containers in the port's wharf area, possibly containing ammonium perchlorate, a strong oxidizer used in rocket fuel. The explosion occurred amid the Iran–United States negotiations for Iran's nuclear program, with the Iranian foreign minister saying that security was on high alert. The country's government ordered a media blackout on the explosion.
Background The Port of Shahid Rajaee is Iran's largest commercial port and maritime hub, handling approximately 80 million tons of goods annually. Located on the north shores of the strategic Strait of Hormuz, it serves as a critical hub for the country's maritime trade. The port is approximately 23 kilometres (14 miles) west of Bandar Abbas and is adjacent to facilities operated by the Islamic Revolutionary Guard Corps (IRGC). In 2020, Israel launched a cyberattack that hampered operations at the Shahid Rajaee port. The explosion occurred as the Iran–United States negotiations were held in Oman with the aim of reaching an agreement regarding Iran's nuclear program. Before the meetings began, Iran's foreign minister Abbas Araghchi said that "our security services are on high alert given past instances of attempted sabotage and assassination operations designed to provoke a legitimate response".
Explosion and immediate impact
On 26 April 2025, at approximately 12:00 Iran Standard Time (IRST), an increasingly intense fire that contained reddish-hued smoke led to a large explosion in the Sina container yard within the port. Fifteen firefighters and all the staff inside the administrative building were killed in the initial explosion. The blast originated from several containers and produced a large fire and a plume of black smoke visible for kilometers. The shockwave shattered windows and caused structural damage to buildings several kilometers away. At least one building collapsed due to the blast. The explosion was reportedly heard as far as Qeshm Island, 26 kilometers (16 miles) south of Bandar Abbas, and was felt at a distance of 50 kilometres (31 mi) from the site.
Casualties and emergency response According to initial reports, at least 70 people were killed in the explosion while 1,210 others were injured, 138 of them seriously. The casualty figure was later revised by the judiciary to 57 fatalities and more than 1,000 injuries as body parts were counted as a whole body. Maryam Rajavi of the National Council of Resistance of Iran accused Iran of covering up the death toll and was several times higher than officially reported, saying closer to 250 people were killed and an estimated 1,500 others were injured. The Chinese consulate in Bandar Abbas said three Chinese nationals were among the injured. Emergency services, including the Iranian Red Crescent Society, dispatched rapid response teams to the scene. Injured individuals were evacuated and transported to nearby medical facilities and as far as Shiraz. Firefighting efforts were undertaken to control and extinguish the blaze using helicopters to pour water onto the fire from above. Port operations were suspended temporarily to facilitate emergency response activities. Schools and offices in the area were ordered closed on 27 April, while the health ministry advised residents not to go outside "until further notice" and to use protective masks. Russia sent a firefighting aircraft and personnel to help extinguish the fire. By 27 April, only 190 of the injured were still being treated in the hospital. The fires were declared contained on 28 April. On 27 April, Iranian president Masoud Pezeshkian visited Bandar Abbas and met with emergency personnel and victims of the disaster. The governor of Hormozgan province, Mohammad Ashouri, declared three days of mourning for the victims, while a national day of mourning was declared on 28 April.
Investigation Authorities launched an investigation into the cause of the explosion. Preliminary assessments suggested that negligence in handling flammable materials may have contributed to the incident. The National Iranian Oil Refining and Distribution Company stated that the explosion was not related to its infrastructure, including refineries, fuel tanks, distribution complexes, or oil pipelines. A government spokeswoman, Fatemeh Mohajerani, said: "containers were stored in a corner of the port that likely contained chemicals which exploded. But until the fire is extinguished, it's hard to ascertain the cause." One analyst compared the blast to the 2020 Beirut explosion stating that it is consistent with an ignition and explosion of sodium perchlorate (used to make rocket fuel) or ammonium nitrate (used as fertilizer). The explosion has also been linked to a shipment of ammonium perchlorate, a strong oxidizer used in rocket fuel. A named maritime risk consultancy firm believed the explosion was caused by improper handling of ammonium perchlorate. The port received a shipment of ammonium perchlorate in March from China to replenish Iran's stock for producing missiles. Without naming specific chemicals, Iranian authorities stated on 27 April 2025 that the explosion was caused by "hazardous goods and chemical materials" stored in the port. A spokesperson for the Iranian defense ministry, Reza Talaei-Nik, denied that missile fuel had been transported via the site, without providing a possible cause of the explosion. On 28 April 2025, Iran's Interior Minister, Eskandar Momeni, announced that the explosion was caused by negligence and non-compliance with safety measures. He stated that some individuals have been identified and summoned in connection with the incident, highlighting shortcomings in adhering to safety precautions and passive defense protocols. Momeni emphasized that the hazardous materials involved should have been dispersed to prevent such a disaster. On May 4, two people, including a government official, were arrested by Iranian authorities in connection with the explosion.
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