Greta Thunberg was detained in central London on suspicion of supporting a proscribed organization during a demonstration relating to Palestine. The arrest occurred near a prominent government building in the city’s administrative district, where she participated in a protest advocating for Palestinian rights and environmental issues. Authorities confirmed the detention but provided no additional details regarding the charges or the organization’s status, citing procedural reasons. Thunberg’s involvement in activism focused on global justice and climate change has frequently intersected with political issues, often attracting public and media attention. Her arrest represents one of several instances where activists have faced legal actions during civil demonstrations in the UK.