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Gaza Tunnels Pose Challenge to Israel in War on Hamas

Islamic Jihad fighters guard a Gaza tunnel in March. (Getty Images)
Islamic Jihad fighters guard a Gaza tunnel in March. (Getty Images)
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Gaza Tunnels Pose Challenge to Israel in War on Hamas

Islamic Jihad fighters guard a Gaza tunnel in March. (Getty Images)
Islamic Jihad fighters guard a Gaza tunnel in March. (Getty Images)

Exactly ten years ago in October 2012, Israel announced the discovery of the “first offensive tunnel” in the Gaza Strip. The tunnel stretched 800 meters, from Khan Younis to a hundred meters into Israeli territory, and was 20 meters deep underground and was two meters in width and height.

Israel did not find any weapons or explosives in the tunnel, with experts speculating that Hamas was using it to kidnap Israeli soldiers. A major Israeli military commander declared to Haaretz at the time: “We will make them regret this and we will push them to despair.”

The army destroyed the tunnel, as it did others it had previously discovered. The military even set up a unit dedicated to the destruction of tunnels. It included scientists whose task was to build electronic devices that can detect the underground passages.

Then commander of the Southern Command Yoav Gallant said: “It is a war of minds between us and Hamas. We are waging it for one sole purpose: victory.” Gallant is now defense minister, and the tunnels now extend far and wide in Gaza. He still speaks of “victory” and even of genocide.

In the past ten years, the Israeli army realized that it could not eliminate the tunnel phenomenon. Rather, the tunnels have since grown and become more developed. At first, they were built to allow Hamas fighters to counter Israeli ground attacks and ambush their troops.

They then used them to kidnap soldiers and succeeded in 2014. Two soldiers were kidnapped, and they are still held by Hamas. Israel then decided to build a massive wall, stretching 65 kilometers, above and below ground to prevent Hamas from building tunnels that can extend into Israeli territory. The wall cost Israel a billion dollars, but Hamas only needed to hire contractor for 200 dollars so he can drive bulldozer into the wall and destroy a portion of it.

The movement then expanded the tunnels deep into Gaza. It constructed a massive network that can only be compared to ones in North Korea. The Israelis have not ruled out the possibility that Pyongyang, not just Tehran, may have aided Hamas in the planning.

Furthermore, Hamas may have even benefited from Israeli expertise. In 1980, it had built a whole underground floor under al-Shifa hospital in Gaza when it was still occupying the enclave.

Underground fortress

Israel preoccupied itself in recent years in monitoring the expansion of the tunnels in Gaza and inside its own territories. To destroy some of the tunnels, it used a material that would expand and harden and use up all empty space, sealing off the tunnels.

Meanwhile, Hamas took its time in enlarging its network of tunnels in Gaza. The tunnels now total around 1,300, reaching around 70 meters underground and extending 500 kilometers. Jacob Nagel, former head of Israel's National Security Council, said the tunnels are probably even longer than that, extending thousands of kilometers.

The Israeli army has claimed that it has “detailed maps” of the tunnels and was preparing the right plans to turn them into “graveyards” for Hamas leaders, who in turn, have said that the tunnels have been heavily developed in the past two years. The technology there will shock the Israelis and turn them into a huge trap for its soldiers, they have warned.

The tunnels have become a major headline of the Gaza war. Hamas leaders and some 20,000 fighters are using the tunnels, which are like an underground fortress.

'Lower Gaza’

There isn’t exactly a life in the tunnels given how difficult it can be to live there. However, they are more than just long passageways that the word tunnel implies. Hamas has in fact built an actual city - “Lower Gaza” - under Gaza. Some people have spoken of two Gazas under the ground, meaning that there is actually a third Gaza below the underground city.

The network boasts rest areas, meeting rooms, and sleeping areas. It is fully equipped and features a modern ventilation system. It holds storage for food, medicine and fuel and has its own encrypted telecommunications system that Israel has failed in deciphering, as demonstrated in Hamas’ surprise attack on October 7.

Israel has weighed its option in how to destroy the tunnels. Experts said it could seal them off with a foam material that expands and hardens in empty spaces and could enlarge to several meters thick. It could use vacuum bombs to destroy them and kill everyone using them. Hamas has stated it is aware of the options at Israel’s disposal and its fighters are ready to defy it.

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Features

Trump Keeps Talking About Iran’s ‘Nuclear Dust.’ What Is It?

A satellite imagery taken on February 1, 2026, shows a new roof over a previously destroyed building at Isfahan nuclear site, Iran. 2026 (PLANET LABS PBC/Handout via Reuters/ File photo)
A satellite imagery taken on February 1, 2026, shows a new roof over a previously destroyed building at Isfahan nuclear site, Iran. 2026 (PLANET LABS PBC/Handout via Reuters/ File photo)
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Trump Keeps Talking About Iran’s ‘Nuclear Dust.’ What Is It?

A satellite imagery taken on February 1, 2026, shows a new roof over a previously destroyed building at Isfahan nuclear site, Iran. 2026 (PLANET LABS PBC/Handout via Reuters/ File photo)
A satellite imagery taken on February 1, 2026, shows a new roof over a previously destroyed building at Isfahan nuclear site, Iran. 2026 (PLANET LABS PBC/Handout via Reuters/ File photo)

Luke Broadwater, David E. Sanger*

In recent weeks, US President Donald Trump has been talking about a substance he says is key to ending the United States’ war against Iran: “nuclear dust.”

In the president’s telling, Iran’s nuclear program was so badly damaged by US bombs last year that all that remains under the rubble is a sort of powdery aftermath.

The phrase “nuclear dust” seemed designed to diminish the importance of what Trump is actually talking about — Iran’s stockpile of near-bomb-grade uranium, which is stored in canisters about the size of large scuba tanks.

The material is not, in fact, “dust.” It is typically a gas when stored inside the canisters, though it becomes a solid at room temperature. It is a volatile and highly toxic substance if it comes into contact with moisture and, if mishandled, can trigger a nuclear reaction.

Trump’s phrase oversimplifies the complex tasks of enriching uranium, to say nothing of negotiating an end to the war. It’s also a phrase nuclear experts say they’ve never heard before.

“I just interpreted it as Trump’s kind of colorful way of talking,” said Matthew Kroenig, the senior director of the Atlantic Council’s Scowcroft Center for Strategy and Security, according to the New York Times.

Here’s a closer look at what Trump means when he talks about “nuclear dust,” and why it’s important for an end to the conflict.

What is ‘nuclear dust’?

Trump is referring chiefly to the uranium Iran has enriched to 60%, near the 90% purity normally used to make a bomb. There is no use for fuel enriched to that level for, say, producing nuclear power.

So it is a warning sign to the international community that Iran could quickly convert the fuel to bomb-grade, even though there would still be many steps to then build a nuclear bomb.

The United States struck three key nuclear sites in June 2025, including a complex outside Isfahan, where much of the near-bomb grade material was believed to be stored.

“It’s not yet bomb-grade, but it’s on the way there, and it was being stored on the nuclear facility at Isfahan,” Kroenig said.

“And so when Isfahan was bombed, that material was presumably entombed there,” he added.

American intelligence officials believe that the Iranians dug down to gain access to the material, though there is no evidence any of it has been moved.

Uranium contains a rare radioactive isotope, called U-235, that can be used to power nuclear reactors at low enrichment levels and to fuel nuclear bombs at much higher levels.

The goal of uranium enrichment is to raise the percentage levels of U-235, which is often done by running it through gas centrifuges, machines that spin at supersonic speeds to increase the purity of the fuel.

Why is it important to ending the war?

Trump has said that Iran had agreed to turn over its nuclear materials to the United States, though Tehran has denied that claim.

“The US will get all nuclear dust,” Trump told a crowd in Arizona last week. “You know what the nuclear dust is? That was that white powdery substance created by our B-2 bombers.”

Iranian enrichment levels have been rising since Trump withdrew the United States from the Obama-era nuclear deal, known as the Joint Comprehensive Plan of Action, or JCPOA, saying the agreement wasn’t tough enough.

Trump then imposed several rounds of American sanctions on Iran. In response, Tehran repeatedly moved beyond the strict limits that the agreement had placed on its uranium enrichment, and began to resume production of nuclear material.

“They were enriching at very low levels before Trump administration withdrew the United States from the JCPOA,” said Justin Logan, the director of defense and foreign policy studies at the Cato Institute, a libertarian-leaning think tank. “So what he is calling ‘nuclear dust’ did not exist inside Iran after the signing or the first several months of the JCPOA”

Can the material be removed during wartime?

Trump acknowledges removing Iran’s enriched uranium would be difficult. On Truth Social, he said this week that “digging it out will be a long and difficult process.”

It could be almost impossible without Iranian agreement.

“This would be a mission that would take a lot of time, and there would be a lot of nerds that aren’t good at killing people that would need to be involved here,” Logan said. “So the idea of doing this while we have our swords drawn strikes me as crazy.”

He said it would be similarly difficult for the Iranians to extract the material during the war.

“Trump is correct to say that we have eyes over the target pretty much all the time, and the Iranians couldn’t just swoop in the middle of the night and spirit it out; it’s an extremely volatile substance,” he said.

“We don’t know the conditions of the underground storage. Those tanks in which it has been stored might not be in great condition. It’s going to require a lot of nerds on the ground. And that’s true for the Iranians as much as it is true for us,” Logan added.

*The New York Times

Features

Khartoum Mines Pose Hidden Threat to Returning Residents

A member of the Danish Refugee Council and Jasmar Human Security Organization uses a metal probe as he searches for land mines in Al-Mogran Park in Khartoum on April 19, 2026. (AFP)
A member of the Danish Refugee Council and Jasmar Human Security Organization uses a metal probe as he searches for land mines in Al-Mogran Park in Khartoum on April 19, 2026. (AFP)
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Khartoum Mines Pose Hidden Threat to Returning Residents

A member of the Danish Refugee Council and Jasmar Human Security Organization uses a metal probe as he searches for land mines in Al-Mogran Park in Khartoum on April 19, 2026. (AFP)
A member of the Danish Refugee Council and Jasmar Human Security Organization uses a metal probe as he searches for land mines in Al-Mogran Park in Khartoum on April 19, 2026. (AFP)

Specialized Sudanese army teams are clearing landmines and unexploded ordnance across Khartoum, amid suspicions the Rapid Support Forces had planted explosives in residential neighborhoods when they held large parts of the capital.

The work comes as authorities seek to stabilize security and as more residents return home.

An Asharq Al-Awsat correspondent accompanied a National Mine Action Center team in Al-Mogran, in central Khartoum to observe operations to detect and remove buried explosives.

The center considers Al-Mogran among the most dangerous areas in the capital. Teams began work after the army retook Khartoum in May 2025, uncovering thousands of mines and unexploded remnants.

Field supervisor Jumaa Ibrahim Abu Anja said the team is clearing about 45,000 square meters in Al-Mogran, an area that saw some of the fiercest fighting between the army and RSF.

He said indicators suggest the group planted thousands of mines across central Khartoum, particularly in streets and residential areas.

“We have found more than 300 hazardous items, including mines fitted with smaller charges and highly explosive materials, designed to inflict the highest possible number of casualties upon detonation,” Abu Anja said.

He added that the aim was to slow the army’s advance and inflict losses. Teams have removed multiple types of mines, including anti-vehicle and anti-personnel devices.

A member of the Danish Refugee Council and Jasmar Human Security Organization sweeps a metal detector as he searches for land mines in Al-Mogran Park in Khartoum on April 19, 2026. (AFP)

The team advances along a line marked with white indicators, moving in measured steps before stopping at a point. A member sweeps the ground with a detector to scan for buried objects.

The team halts again at a triangular area known as the “hot line,” signaling a potential minefield. Work pauses to ensure strict safety checks. Before entering the site, all members must wear armored vests, with journalists kept at a safe distance.

A sharp signal breaks the silence. It may indicate a mine or unexploded ordnance, though it may also be only scrap metal. Every alert is treated as a threat. Once confirmed, the team extracts the device with slow, precise steps to avoid detonation. Photos are taken only from a designated safe zone, with no approach allowed during removal.

Teams mark hazards clearly, placing red signs reading “Danger Mines” to warn residents. When a device is located, a green wooden marker is placed to identify the spot before disposal.

Anti-personnel mines are destroyed the same day under controlled procedures.

Alongside fieldwork, the National Mine Action Center runs awareness campaigns, sending text messages urging residents to report suspicious objects and to avoid them. Authorities also warn against burning waste in neighborhoods due to the risk of hidden explosives.

Abu Anja said about 80 percent of Al-Mogran and other parts of Khartoum have been cleared, but risks remain, especially as residents return.

Progress is slowed by limited funding, affecting the pace of clearance and disposal. Abu Anja warned that delays raise the danger, noting that dozens of civilians have been killed or injured by mines and war remnants.

Features

Macron Leaves Future Open as Political Curtain Nears

24 April 2026, Cyprus, Nikosia: French President Emmanuel Macron arrives at the informal meeting of the EU heads of state and government. (dpa)
24 April 2026, Cyprus, Nikosia: French President Emmanuel Macron arrives at the informal meeting of the EU heads of state and government. (dpa)
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Macron Leaves Future Open as Political Curtain Nears

24 April 2026, Cyprus, Nikosia: French President Emmanuel Macron arrives at the informal meeting of the EU heads of state and government. (dpa)
24 April 2026, Cyprus, Nikosia: French President Emmanuel Macron arrives at the informal meeting of the EU heads of state and government. (dpa)

With just one year left in his second five-year term, French President Emmanuel Macron has said he will quit politics in 2027 -- leaving observers and supporters guessing about his next moves.

"I wasn't in politics before and I'm not going to be after," Macron said Thursday during a visit to a high school in Cyprus.

He added that at this late stage in office, the "hardest thing" was to strike a balance between defending his record and acknowledging what "didn't work out".

France's political and media world is already abuzz as the race for 2027 has "already begun", said Philippe Moreau-Chevrolet, a communications expert at Sciences Po university.

For now, would-be candidates are playing up their softer sides, with far-right National Rally (RN) party chief Jordan Bardella showing off a romance with Princess Maria Carolina of Bourbon-Two Sicilies in glossy magazine Paris Match.

And Gabriel Attal, one of Macron's string of former prime ministers, has offered personal revelations in a book as he shores up his bid to lead the centrist camp into the 2027 vote.

"Now is a good time for the president-- who in any case won't be in charge of much anymore -- to announce and lay the groundwork for his departure," Moreau-Chevrolet said.

"He needs to tell an alternative story while leaving what's next up to speculation."

- Rear-view mirror -

Macron has sought in recent weeks to spruce up public perceptions of his legacy -- even as would-be successors in his own ranks try to distance themselves from a historically unpopular leader.

The 48-year-old may be hoping to mimic the trajectory of Jacques Chirac, president in the late 1990s and 2000s.

Once out of the cut and thrust of daily politics and with his various scandals fading, conservative Chirac's public image recovered and many now look back on his era with nostalgia.

"At some point there'll be a change in perspective, because he won't be a political personality any longer," a person close to Macron said.

"There'll be a re-emergence of some of the key elements and consistency" in his policy, the person added, such as his push for "industrial and European independence in the face of crises."

Macron remains highly visible outside France, standing up to US President Donald Trump over his threats to annex Greenland and criticizing the war against Iran.

His long-vaunted White House relationship has cooled in recent months as Trump becomes a liability even for his supposed political allies in Europe's far right.

"I didn't speak to him in the last few hours because I didn't see a need for it," Macron said dismissively of Trump Monday during a visit to Poland.

The president's "true role has been on the international stage," said Moreau-Chevrolet.

In January, Macron energized the World Economic Forum in Davos with a "defense of European democracies and Gaullist position" of technological and military emancipation from the United States.

Images raced around the internet of the French leader wearing aviator-style sunglasses to protect a broken blood vessel in his eye, as he called for Europe to stiffen its spine.

- #Macron2032? -

Macron's stated intent to leave active politics "doesn't mean that he'll be out of the picture altogether," Moreau-Chevrolet said.

The person close to Macron said that "he was talking about politics in the party-political sense".

Some observers suggest he could seek a post heading an intergovernmental body such as the International Monetary Fund (IMF) or European Commission.

One centrist leader predicted that "he'll start up an outfit of his own after 2027. And there will be people calling for #Macron2032," the next presidential election when he could stand again.

In the meantime, "he's not taking leave of the questions he's passionate about, reindustrialization of France, AI, the defense industry, international affairs. He leaves the rest to the prime minister and doesn't bother about it," one sitting minister said.

As the 2027 campaign progresses, Macron will likely leave the battle up to the centrist candidate to succeed him -- with the subtext that "I have a legacy and you must stand up for it," the minister added.