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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New Delh (PTI) The Congress on Saturday said it is perhaps not very surprising that India is not part of a US-led strategic initiative to build a secure silicon supply chain, given the "sharp downturn" in the Trump-Modi ties, and asserted that it would have been to "our advantage if we had been part of this group".
Congress general secretary in charge of communications Jairam Ramesh took a swipe at Prime Minister Narendra Modi, saying the news of India not being part of the group comes after the PM had enthusiastically posted on social media about a telephone call with his "once-upon-a-time good friend and a recipient of many hugs in Ahmedabad, Houston, and Washington DC".
In a lengthy post on X, Ramesh said, "According to some news reports, the US has excluded India from a nine-nation initiative it has launched to reduce Chinese control on high-tech supply chains. The agreement is called Pax Silica, clearly as a counter to Pax Sinica. The nations included (for the moment at least) are the US, Japan, the Republic of Korea, Singapore, the Netherlands, the United Kingdom, Israel, the United Arab Emirates, and Australia."
"Given the sharp downturn in the Trump-Modi ties since May 10th, 2025, it is perhaps not very surprising that India has not been included. Undoubtedly, it would have been to our advantage if we had been part of this group."
"This news comes a day after the PM had enthusiastically posted on his telephone call with his once-upon-a-time good friend and a recipient of many hugs in Ahmedabad, Houston, and Washington DC," the Congress leader asserted.
The new US-led strategic initiative, rooted in deep cooperation with trusted allies, has been launched to build a secure and innovation-driven silicon supply chain.
According to the US State Department, the initiative called 'Pax Silica' aims to reduce coercive dependencies, protect the materials and capabilities foundational to artificial intelligence (AI), and ensure aligned nations can develop and deploy transformative technologies at scale.
The initiative includes Japan, South Korea, Singapore, the Netherlands, the United Kingdom, Israel, the United Arab Emirates, and Australia. With the exception of India, all other QUAD countries -- Japan, Australia and the US -- are part of the new initiative.
New Delhi will host the India-AI Impact Summit 2026 on February 19-20, focusing on the principles of 'People, Planet, and Progress'. The summit, announced by Prime Minister Narendra Modi at the France AI Action Summit, will be the first-ever global AI summit hosted in the Global South.
Prime Minister Modi and US President Trump on Thursday discussed ways to sustain momentum in the bilateral economic partnership in a phone conversation amid signs of the two sides inching closer to firming up a much-awaited trade deal.
The phone call between the two leaders came on a day Indian and American negotiators concluded two-day talks on the proposed bilateral trade agreement that is expected to provide relief to India from the Trump administration's whopping 50 per cent tariffs on Indian goods.
In a social media post, Modi had described the conversation as "warm and engaging".
"We reviewed the progress in our bilateral relations and discussed regional and international developments. India and the US will continue to work together for global peace, stability and prosperity," Modi had said without making any reference to trade ties.
