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.



Where Things Stand in the US-China Trade War

OAKLAND, CALIFORNIA - APRIL 09: The container ship CMA CGM Osiris arrives at the Port of Oakland on April 09, 2025 in Oakland, California.  Justin Sullivan/Getty Images/AFP
OAKLAND, CALIFORNIA - APRIL 09: The container ship CMA CGM Osiris arrives at the Port of Oakland on April 09, 2025 in Oakland, California. Justin Sullivan/Getty Images/AFP
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Where Things Stand in the US-China Trade War

OAKLAND, CALIFORNIA - APRIL 09: The container ship CMA CGM Osiris arrives at the Port of Oakland on April 09, 2025 in Oakland, California.  Justin Sullivan/Getty Images/AFP
OAKLAND, CALIFORNIA - APRIL 09: The container ship CMA CGM Osiris arrives at the Port of Oakland on April 09, 2025 in Oakland, California. Justin Sullivan/Getty Images/AFP

US President Donald Trump has ramped up his trade war against China, further raising import tariffs on Beijing to 125 percent despite pausing them for other countries.

The move came hours after China announced reciprocal action against the United States in response to a previous levy hike.

AFP looks at how the escalating trade war between the world's two biggest economies is playing out -- and what impact it might have:

What actions has Trump taken so far?

Trump said Wednesday that the US would raise tariffs on Chinese imports to a staggering 125 percent, citing a "lack of respect" from Beijing.

The announcement came as the mercurial president announced a halt on tariffs for other nations for 90 days, following panic on global markets.

The new levy on China marked the latest salvo in a brewing tit-for-tat trade war between the two global superpowers.

A previous round of US tariffs had come into force earlier on Wednesday, jacking up duties on China to 104 percent.

As well as the blanket levies, China is also under sector-specific tariffs on steel, aluminium and car imports.

How has China responded?

China has vowed to fight the measures "to the end" and so far has unveiled reciprocal tariffs each time Trump has upped the ante.

Responding to the 104 percent duties on Wednesday, Beijing said it would raise its own tariffs on US imports from 34 percent to 84 percent, effective from Thursday.

It also said it had filed a complaint with the World Trade Organization (WTO), citing "bullying" tactics by the Trump administration.

China had not responded to the latest hike in tariffs to 125 percent levies as of Thursday morning.

But its countermeasures have begun to step outside the economic sphere, with government departments warning citizens of the "risks" of travelling to the US or studying in parts of the country.

And while Beijing has blasted the US with fiery rhetoric, it has continued to urge "equal dialogue" to resolve the trade spat.

Zhiwei Zhang, chief economist at Pinpoint Asset Management, said China had sent a "clear signal" that it would not back down, adding that there was "(no) quick and easy way out" of the conflict.

Haibin Zhu, chief China economist at J.P. Morgan, agreed, saying "the bar for a possible deal is high".

- Why is China so vulnerable to tariffs? -

Trade between the world's two largest economies is vast.

Sales of Chinese goods to the US last year totaled more than $500 billion -- 16.4 percent of the country's exports, according to Beijing's customs data.

And China imported $143.5 billion in goods from the United States in 2024, according to the office of the US Trade Representative.

That trade was dominated by agricultural products, primarily oilseeds and grains, according to the US-China Business Council. Oil and gas, pharmaceuticals and semiconductors are also among major US exports to China.

Beijing has long drawn Trump's ire with a trade surplus with the United States that reached $295.4 billion last year, according to the US Commerce Department's Bureau of Economic Analysis.

Chinese leaders have been reluctant to disrupt the status quo, in part because the country's export-driven economy is particularly sensitive to vicissitudes in international trade.

US duties also threaten to harm China's fragile post-Covid economic recovery as it struggles with a debt crisis in the property sector and persistently low consumption -- a downturn Beijing had sought to slow with broad fiscal stimulus last year.

But an intensified trade war will likely mean China cannot peg its hopes for strong economic growth this year on its exports, which reached record highs in 2024.

What impact will US tariffs have?

The head of the WTO said Wednesday that the US-China tariff war could cut trade in goods between the two countries by 80 percent.

Given the two economic giants account for three percent of world trade, the conflict could "severely damage the global economic outlook", Ngozi Okonjo-Iweala said.

Analysts expect the levies to take a significant chunk out of China's GDP, which Beijing's leadership hope will grow five percent this year.

Likely to be hit hardest are China's top exports to the United States -- everything from electronics and machinery to textiles and clothing, according to the Peterson Institute of International Economics.

And because of the crucial role Chinese goods play in supplying US firms, the tariffs may also hurt American manufacturers and consumers, analysts have warned.

Paul Ashworth, chief North America economist at Capital Economics, said it was "difficult to see either side backing down in the next few days".

But, he added, "talks will eventually happen, although a full rollback of all the additional tariffs... appear unlikely".