People gather in front of the Ministry of Foreign Affairs in Madrid, Spain, to call for the release of Global Sumud Flotilla activists Saif Abu Keshek and Thiago Avila. Brazilian activist Thiago Avila.
David Canales/NurPhoto via AFP
- Gaza-bound flotilla activists Saif Abu Keshek and Thiago Avila are being held in an Israeli jail.
- Israeli authorities want a court to extend their detention by six days.
- They were intercepted by Israeli forces off the coast of Greece.
Israeli authorities are expected to ask a court to extend the detention of two foreign activists by six days, as the pair face their second hearing on Tuesday, a rights group representing them said.
Spanish national Saif Abu Keshek and Brazilian Thiago Avila were brought to Israel for questioning last week and are being held at an Israeli prison in Ashkelon.
The two were among dozens of activists aboard a Gaza-bound flotilla intercepted by Israeli forces off the coast of Greece early on Thursday.
At their first hearing on Sunday, the court extended their detention by two days.
A second hearing is expected on Tuesday.
“Our lawyers have been informed that the state is requesting for a six-day extension for the two activists,” Miriam Azem, international advocacy coordinator at the Israeli rights group Adalah, told AFP.
READ | Rights group says Gaza flotilla activists facing abuse in Israeli jail
Adalah said the two activists were on hunger strike, and Tuesday was the sixth day.
On Monday, the rights group alleged the activists had been subjected to physical and psychological abuse in detention.
Both Abu Keshek and Avila are being held in isolation, with “high-intensity lighting” on at all times in their cells, Adalah said, adding that Avila was being held in “extremely cold temperatures”.
“They are kept blindfolded at all times whenever they are moved outside their cells, including during medical examinations,” it said.
A screengrab captured from CCTV videos show crew of the Spring 2026 mission of the Global Sumud Flotilla, which set sail to deliver humanitarian aid to Gaza.
Global Sumud Flotilla/Anadolu via Getty Images
Israeli authorities have rejected the abuse claims.
At Sunday’s hearing, Adalah said the state attorney had presented a list of offences the pair were accused of, including “assisting the enemy during wartime” and “membership in and providing services to a terrorist organisation”.
But Adalah’s lawyers challenged the state’s jurisdiction, arguing there had been an “unlawful abduction” of the two activists in international waters.
Israel’s foreign ministry said both individuals were affiliated with the Popular Conference for Palestinians Abroad (PCPA), a group accused by Washington of “clandestinely acting on behalf of” Palestinian militant group Hamas.
The ministry said Abu Keshek was a leading PCPA member, and that Avila was also linked to the group and “suspected of illegal activity”.
The flotilla’s vessels had set sail from France, Spain and Italy with the aim of breaking Israel’s blockade of Gaza and bringing humanitarian supplies to the devastated Palestinian territory.
But they were intercepted by Israeli forces off the coast of Greece.
🚨ALERT🚨
Imminent threat of intercetpion against Freedom Flotilla Coalition boat only days after 22 Global Sumud Flotilla vessels were intercepted in Greek SAR waters.
4 @GazaFFlotilla (FFC) vessels reported a helicopter circling them at 19:27pm Palestine time.
At 21:53pm… pic.twitter.com/VCdmwTtFyI
The Global Sumud Flotilla’s first voyage in 2025 was also intercepted by Israeli forces off the coasts of Egypt and Gaza.
Israel controls all entry points into Gaza, which has been under an Israeli blockade since 2007.
Throughout the Gaza war that started in October 2023, there have been shortages of critical supplies in the territory, with Israel at times cutting off aid entirely.
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