Fireworks, ammonium nitrate likely fuelled Beirut explosion
Beirut: Fireworks and ammonium nitrate appear to have been the fuel that ignited a massive explosion that rocked the Lebanese capital of Beirut, experts and videos of the blast suggest.
The scale of the damage from the epicentre of the explosion at the port of Beirut to the windows blown out kilometres (miles) away resembles other blasts involving the chemical compound commonly used as an agricultural fertilizer.
But the compound itself typically doesn't detonate on its own and requires another ignition source. That likely came from a fire that engulfed what initially appeared to be fireworks that were stored at the port.
Online videos of the disaster's initial moments show sparks and lights inside the smoke rising from the blaze, just prior to the massive blast.
That likely indicates that fireworks were involved, said Boaz Hayoun, owner of the Tamar Group, an Israeli firm that works closely with the Israeli government on safety and certification issues involving explosives.
Before the big explosion, you can see in the centre of the fire, you can see sparks, you can hear sounds like popcorn and you can hear whistles," Hayoun told The Associated Press.
"This is very specific behaviour of fireworks, the visuals, the sounds and the transformation from a slow burn to a massive explosion. Jeffrey Lewis, a missile expert at the Middlebury Institute of International Studies in Monterey, California, offered a similar assessment.
It looks like an accident, Lewis told the AP.First, there was a fire preceding the explosion, which is not an attack. And some of the videos show munitions what I could call popcorning, exploding like 'pop, pop, pop, pop.' He added that it's very common to see fires detonate explosives."
If you have a fire raging next to something explosive, and you don't put it out, it blows up," he said.
The white cloud that accompanied the massive blast appeared to be a condensation cloud, often common in massive explosions in humid conditions that can follow the shock waves of an explosion, Lewis said.Orange clouds also followed the blast, likely from toxic nitrogen dioxide gas that's released after an explosion involving nitrates.
Experts typically determine the power of the blast by measuring the crater left behind, which appeared massive in aerial footage shot on Wednesday morning by the AP.
The Beirut blast, based on the crater and glass windows being blown out a distance away, exploded with the force equivalent to detonating at least 2.2 kilotons of TNT, said Sim Tack, an analyst and weapons expert at the Texas-based private intelligence firm Stratfor.
What initially started the fire at the port remains unclear. Beirut was sunny before Tuesday's explosion, with a daily high of 30 degrees Celsius (86 degrees Fahrenheit).
Lebanese Interior Minister Mohammed Fahmi, in comments to a local TV station, made no mention of ignited fireworks but said it appeared the blast was caused by the detonation of more than 2,700 tons of ammonium nitrate that had been stored in a warehouse at the dock ever since it was confiscated from a cargo ship in 2014.That amount could cause the explosive force seen in the blast Tuesday, Tack said.
Based on the timeline and the size of the cargo, that ship could be the MV Rhosus. The ship was initially seized in Beirut in 2013 when it entered the port due to technical problems, according to lawyers involved in the case. It came from the nation of Georgia, and had been bound for Mozambique.
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3 US troops killed, 5 seriously wounded during Iran attacks, military says
Washington (AP): Three American service members have been killed and five others seriously wounded during the US attacks on Iran, the military said Sunday, marking the first American casualties in a major offensive that has sparked retaliation from the Islamic Republic.
US Central Command, which oversees the Middle East, announced the deaths in a post on X but did not say when and where they occurred. The statement said “several others sustained minor shrapnel injuries and concussions” and were going to return to duty.
Central Command described the situation “as fluid” and said it would withhold the identities of the service members who were killed for 24 hours after their families were notified.
The US military also denied Iranian claims that the USS Abraham Lincoln aircraft carrier was struck with ballistic missiles, saying on X that the “missiles launched didn't even come close.”
President Donald Trump had warned that American troops could be killed or injured in the operation.
“The lives of courageous American heroes may be lost, and we may have casualties,” the Republican president said in a video address released early Saturday. “That often happens in war. But we're doing this not for now. We're doing this for the future.”
Following the US-Israeli strikes that killed Iran's supreme leader, Ayatollah Ali Khamenei, and other leaders, Iran's counterattacks have struck US bases in Bahrain and the United Arab Emirates.
Iran's paramilitary Revolutionary Guard has threatened to launch its “most intense offensive operation” ever targeting Israeli and American military installations.
Before the strikes, Trump had built up the largest US military presence in the Middle East in decades. The arrival of the Lincoln and three accompanying guided-missile destroyers at the end of January bolstered the number of warships in the region.
The world's largest aircraft carrier, the USS Gerald R. Ford, and four accompanying destroyers later were dispatched from the Caribbean Sea to head to the Middle East.
The Ford was part of the US raid in Venezuela that captured leader Nicolás Maduro, who was brought to New York to face drug trafficking charges. The operation in January claimed no American lives but left seven US troops with gunshot wounds and shrapnel-related injuries.
One of those injured received the Medal of Honor during Trump's State of the Union address last week. Trump said Army Chief Warrant Officer 5 Eric Slover piloted the lead CH-47 Chinook helicopter that descended on the “heavily protected military fortress” where Maduro was staying.
Trump has launched several military operations during his second term, including strikes on members of the Islamic State group in Syria in retaliation for an ambush attack that killed two US troops and an American civilian interpreter in December.
The US military has also struck IS forces in Nigeria, after Trump accused the West African country's government of failing to rein in the targeting of Christians.
