WATCH: Climate activist Greta Thunberg was detained by London police during a protest backing Palestine Action hunger strikers. Video shows her refusing to move after being confronted by law enforcement. | Fox News

Police in the UK arrested protesters during demonstrations in support of Palestine Action, a pro-Palestinian network banned as a 'terror group' by the British government. The High Court is deliberating whether the ban is legal, while six detained activists on hunger strike are at risk of death. | Al Jazeera English