What happens to Gaza flotilla activists who are detained by Israel?

Swedish activist Greta Thunberg and Brazilian activist Thiago Avila sit in a vessel making their way to Israel, after Israel intercepted some of the vessels of the Global Sumud Flotilla aiming to reach Gaza and break Israel's naval blockade, in this handout image released on October 2, 2025. ISRAEL FOREIGN MINISTRY /Handout via REUTERS VERIFICATION