Greta Thunberg was arrested in central London on Tuesday while supporting pro-Palestinian activists who are staging a hunger strike to protest their imprisonment while awaiting trial on charges related to a series of earlier demonstrations.
The protest group Prisoners for Palestine shared a video showing the 22-year-old Swede holding a sign supporting the hunger strikers and their organization, known as Palestine Action.
The British government earlier this year banned Palestine Action as a terrorist organization.
Activist Greta Thunberg is arrested and sits in the back of a police van outside the offices of Aspen Insurance on December 23, 2025 in London, England. Getty Images
The protests were part of a larger demonstration in which two other activists sprayed red paint in front of an insurance company in the City of London, the area of central London known as the hub of Britain’s financial services industry.
Prisoners for Palestine says they targeted the insurer because it supports the Israel-linked defense firm Elbit Systems.
In this photo, released by ‘Prisoners for Palestine’ on Tuesday, Dec. 23, 2025, climate activist Greta Thunberg, center, sits in front of offices of Aspen Insurance in London, England, during a protest to support the Palestine Action protesters on hunger strike in prison. AP
City of London police said a man and a woman have been arrested on suspicion of criminal damage. A third woman was later arrested on suspicion of supporting a banned organization.
British police generally do not identify suspects by their names prior to their being charged.
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Eight Palestine Action members have staged a hunger strike to protest their detention without bail as they await trial on a variety of charges related to earlier protests around the country.
The first two prisoners to join the protest have now been on hunger strike for 52 days and are at a “critical stage, where death is a real possibility,” Prisoners for Palestine said in a statement.
Damage was reported at 30 Fenchurch Street following a climate protest where activist Greta Thunberg was arrested. UnBoxPHD / SplashNews.com
The British government has so far refused to intervene in the judicial process, saying questions about bail and detention are matters for the courts to decide.
In February 2024, Thunberg was acquitted by a court in London of refusing to follow a police order to leave a protest blocking the entrance to a major oil and gas industry conference.
She has repeatedly been fined in Sweden and the U.K. for civil disobedience in connection with protests.