Activist Greta Thunberg was arrested on Wednesday at a Copenhagen protest against Israel's war on Gaza.
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![Greta Thunberg [Getty]](/sites/default/files/styles/image_156x88/public/media/images/36B007E9-9FAA-45FD-9DAA-D27A8B5A11E7.jpg?h=d1cb525d&itok=ljm7_W5k "Greta Thunberg [Getty]")
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