Saif Abukeshek, a Palestinian-Spanish activist and member of the Global Sumud Flotilla’s steering committee, left, and Thiago Ávila, a Brazilian activist and member of the Global Sumud Flotilla’s steering committee, aboard the Greenpeace vessel Arctic Sunrise, which joined a Gaza-bound flotilla in the Mediterranean Sea on April 18, 2026. (Max Cavallari/Greenpeace via AP)