Key takeaways

• Israel intercepted 22 of 58 Gaza-bound aid ships from the Global Sumud Flotilla in international waters off Greece's Peloponnese Peninsula.

• 211 activists out of 400 on board were detained, including a Paris city councillor. Israel initially reported 175 detained.

• The flotilla departed Barcelona, Spain on April 12 to break Israel's blockade of Gaza.

• Italy, Germany, Spain, and Türkiye have formally condemned the seizure, with Ankara calling it "an act of piracy."

• Israel insists its forces acted lawfully to prevent a breach of what it calls a legal blockade.

Israel seized 22 humanitarian aid ships from the Global Sumud Flotilla in international waters off Greece on Wednesday, detaining more than 200 activists who were attempting to break the blockade of Gaza — triggering swift condemnation from governments and rights groups across the world.

The vessels were intercepted hundreds of miles from Gaza, near Greece's Peloponnese Peninsula, in what flotilla organisers and multiple governments have called a clear violation of international law.

What happened — and where

The Global Sumud Flotilla set sail from the Spanish port of Barcelona on April 12, carrying humanitarian aid for Palestinians in Gaza. It consisted of 58 ships in total.

• Ships in the flotilla: 58 total — 22 intercepted by Israel.

• Activists on board: approximately 400 — 211 detained, per organisers; 175, per Israel's Foreign Ministry.

• Location of interception: international waters off the Peloponnese Peninsula, Greece — hundreds of miles from Gaza.

• Detained nationals include Italians, Spanish citizens, and a Paris city councillor.

Flotilla organisers confirmed the seizure on Thursday, describing it as an act of piracy carried out beyond Israeli territorial waters or any recognised legal jurisdiction.

Global reaction: Country by country

Italy

Rome issued a direct call for Israel to release all detained Italian nationals, describing the seizure as unlawful. The government pledged to continue supplying humanitarian aid to Gaza through legal channels.

Germany

Berlin joined Italy in a joint statement, expressing "great concern" and calling on all parties to respect international law and avoid further escalation.

Spain

Madrid issued one of the sharpest responses, saying it "energetically condemns" the Israeli seizure. Spain summoned Israel's chargé d'affaires to formally register its protest over the detention of Spanish nationals.

Türkiye

Ankara went the furthest in its language, calling the interception "an act of piracy." Turkey's Foreign Ministry said Israel had violated both international law and basic humanitarian principles by targeting a mission aimed at drawing attention to Gaza's crisis.

What the flotilla organisers said

"This is piracy. This is the unlawful seizure of human beings on the open sea near Crete — an assertion that Israel can operate with total impunity, far beyond its own borders, with no consequences."

Organisers accused Israel of extending its "regime of control" into the Mediterranean Sea off the coast of Europe, claiming authority over waters no state has the right to police.

Amnesty International's demand

Amnesty International called for the immediate and unconditional release of all detained crew members and activists. The rights group urged Israeli authorities to grant consular access and guarantee protection from ill-treatment while those detained remain in custody.

Israel's position

Israel's Foreign Ministry defended the operation, describing the flotilla's organisers as "professional provocateurs" and insisting its forces acted within international law.

"Due to the large numbers of vessels and the risk of escalation … an early action was required in accordance with international law," the ministry said.

Israel maintains that its blockade of Gaza is lawful and that any attempt to breach it — regardless of the stated humanitarian purpose — justifies interception.

Why this matters

The interception occurred in international waters, not in any zone where Israel holds recognised jurisdiction — a fact that sits at the centre of every government's condemnation.

With Gaza facing a severe humanitarian crisis and global pressure on Israel mounting, the seizure of the Global Sumud Flotilla has sharpened an already acute international debate over blockades, maritime law, and the limits of state power on the open sea.