Greta Thunberg’s participation in French high school and university protests on October 13, 2026, in Saint-Denis near Paris has drawn attention to potential law-enforcement interactions amid ongoing student blockades and reported police deployments. These demonstrations, now in their fourth week, focus on school funding, conditions, and broader social issues, with Thunberg publicly criticizing police tactics as excessively forceful while aligning with climate and justice themes. Recent prior detentions include a December 2025 London arrest during a pro-Palestine Action protest under UK terrorism laws and earlier flotilla-related custody by Israeli authorities, both resolved without long-term custody in some cases. Ongoing activist events in Europe, including Berlin demonstrations dispersed by police earlier in October, sustain trader focus on arrest probabilities tied to protest intensity, scheduled actions, and enforcement thresholds in multiple jurisdictions.