Swedish climate activist Greta Thunberg was among 437 participants detained by Israeli naval forces on October 1, 2025, after the Global Sumud Flotilla—comprising over 40 vessels carrying humanitarian aid—was intercepted in international waters en route to Gaza, according to reports from The Guardian, BBC, and CNN.
The flotilla, the largest civilian effort to breach Israel’s 16-year maritime blockade, included lawmakers from Spain and Italy, as well as Thunberg,