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Key Points
- Climate activist Greta Thunberg has joined a flotilla of aid boats aiming to deliver humanitarian supplies to Gaza.
- Thousands gathered at Barcelona port to launch the ships, including Game of Thrones star Liam Cunningham.
- Thunberg previously tried to break the blockade in June, but the ship was ultimately seized by Israeli forces.
“He is like a little brother and I am deeply concerned for his wellbeing, but proud beyond all words to know him,” his friend wrote.

The Global Sumud Flotilla departed from Barcelona to try to break the Israeli blockade of the Palestinian territory and bring humanitarian aid, food, water and medicine to Gaza. Source: AP / Emilio Morenatti
SBS News has contacted the Department of Foreign Affairs and Trade for comment.
Thunberg is among those on board alongside actors Susan Sarandon and Liam Cunningham, as well as activists, politicians and journalists.
Previous flotilla detained
Safi said the Israeli naval officers who boarded the ship were heavily armed, with some having four machine guns, and alleged they played “psychological games” with the activists on the 12-hour sail journey to Israel.
The Israeli government, backed by the United States, fiercely denies the charge and says it is fighting to defeat Hamas and to bring back Israeli hostages still held in Gaza.
A UN report said all activist deaths were caused by gunshots, finding the killing of at least six of the passengers “consistent with an extra-legal, arbitrary and summary execution”.