Israeli forces have boarded and taken control of several ships that are part of the Global Sumud Flotilla, which had been attempting to break Israel’s blockade of Gaza, and that had garnered global attention as one of the biggest naval aid missions to the Palestinian enclave.
The flotilla – which in all includes more than 40 civilian boats and about 500 activists – was intercepted by Israeli forces late on Wednesday, with activists on board detained and taken to Israel.
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Israel had previously said that it would do whatever it takes to stop the Gaza-bound flotilla, claiming the volunteers were trying to “breach a lawful naval blockade” – a claim that goes against international law.
Israel has blockaded Gaza to varying degrees since Hamas took control of the Strip in 2007. Gaza’s residents have largely been trapped in the territory since then, with the entry of food, goods and aid strictly controlled by Israel.
Here is what to know.
What happened to the flotilla on Wednesday?
Israel intercepted a flotilla of boats carrying humanitarian aid, according to statements from the flotilla organisers.
They reported that Israeli naval forces boarded the vessels about 70 nautical miles (130km) off the coast of Gaza, cutting communications and jamming signals as the flotilla neared the blockaded enclave.
In total, at least 13 vessels that are part of the flotilla have been intercepted at sea.
Saif Abukeshek, spokesperson for the Global Sumud Flotilla, said more than 201 people from 37 countries were on board these boats. This included 30 participants from Spain, 22 from Italy, 21 from Turkiye and 12 from Malaysia, among others.
“We have around 30 ships that are still fighting their way away from the military vessels of the occupation forces trying to reach to the shores of Gaza. They are determined,” he added.
Those are now 85km (46 nautical miles) from Gaza’s coast, according to the flotilla organisers.
The flotilla’s progress across the Mediterranean had already drawn international attention, and the arrests of activists on board sparked protests in cities including Rome, Buenos Aires and Istanbul on Wednesday night.
Earlier in the day, activists described shadowy encounters with unlit boats and drones tailing the convoy, heightening tensions on board.
“On Wednesday … at around 8: 30pm [17:30 GMT], multiple vessels of Global Sumud Flotilla – notably Alma, Surius, Adara – were illegally intercepted and boarded by Israeli Occupation Forces in international waters,” a flotilla statement said.
“Prior to illegally boarding the ships, it appears as though the Israeli naval vessels intentionally damaged ship communications, in an attempt to block distress signals and stop the livestream of their illegal boat boarding.”
Despite carrying only a symbolic amount of humanitarian aid, the flotilla had pressed forward with its mission to establish a maritime corridor into Gaza, where nearly two years of Israel’s war have left the population facing an acute humanitarian crisis.
How did Israel respond?
Israel’s Ministry of Foreign Affairs released a video showing a woman in military uniform speaking by phone, introducing herself as a representative of the Israeli navy.
In the call, she warns the flotilla that it is nearing a restricted, blockaded area and explains that any aid for Gaza must be sent “through the established channels”.
Israel’s ambassador to the United Nations, Danny Danon, also said that activists on board the Gaza aid flotilla will be deported once the Jewish holiday of Yom Kippur concludes on Thursday.
“Reports suggest more interceptions are expected,” Al Jazeera’s Nida Ibrahim, reporting from Doha, said.
“Israeli soldiers have boarded the ships and detained many of the activists on board. Those detained would normally go through a legal process, but Israel is currently under near-total shutdown because of the Yom Kippur holiday,” she added.
“That means courts and prisons are not functioning, creating a limbo for the activists if they are detained.”
A video published by Israel’s Foreign Ministry showed Greta Thunberg, the Swedish climate campaigner, sitting on a deck with soldiers around her.
“Several vessels of the Hamas-Sumud flotilla have been safely stopped and their passengers are being transferred to an Israeli port,” the ministry said on X. “Greta and her friends are safe and healthy.”
We will not allow any PR stunt approaching an active war zone to violate our sovereignty. Those who tried to enter Israeli territory illegally will be deported immediately after Yom Kippur in Israel. Israel has repeatedly offered ways to peacefully deliver aid to Gaza, but this… pic.twitter.com/JVZldN0kYb
— Danny Danon 🇮🇱 דני דנון (@dannydanon) October 1, 2025
Since 2009, Israel has formally enforced a naval blockade it says is necessary to prevent weapons from being smuggled in. Israeli authorities have also alleged that some flotilla organisers are connected to Hamas, a claim the activists strongly reject as unfounded. Israel has yet to present any evidence to prove its claims.
Has this happened before?
Vessels and convoys have attempted to break the blockade of Gaza since 2010.
A few key examples include:
2010 – The Mavi Marmara incident: The most infamous case, when Israeli commandos boarded the Turkish ship Mavi Marmara, part of the Gaza Freedom Flotilla. Clashes broke out, and 10 activists were killed as a result, drawing global condemnation and straining Israel-Turkiye relations.
Israel apologised for “operational mistakes” in the raid in 2013. A compensation deal is still being negotiated between the two c