A police officer tries to remove a woman after she attached herself with an adhesive to the building of Department of Transport, during an Extinction Rebellion protest in London, Britain, October 15, 2019.

Police officers detain an activist as they block the road during an Extinction Rebellion demonstration at Bank, in the City of London, Britain October 14, 2019.

A protester talks with a police officer as they block the road during an Extinction Rebellion demonstration at Bank, in the City of London, Britain October 14, 2019.

Co-founder of the Extinction Rebellion group, Gail Bradbrook, uses a hammer and a screwdriver as she tries to break a window atop the doorway into the Department of Transport, during an Extinction Rebellion protest in London, Britain, October 15, 2019.

Police officers detain co-founder of the Extinction Rebellion group, Gail Bradbrook, after she was removed from atop the doorway into the Department of Transport, during an Extinction Rebellion protest in London, Britain, October 15, 2019.

Police officers carry away an activist as Extinction Rebellion protesters block a road with caravan in central London, Britain, October 15, 2019.

Police officer are seen as protesters block the road during an Extinction Rebellion demonstration at Bank, in the City of London, Britain October 14, 2019.

A protester holds a placard as they block the road during an Extinction Rebellion demonstration at Bank, in the City of London, Britain October 14, 2019.

A protester reads a mock-up newspaper as they block the road during an Extinction Rebellion demonstration at Bank, in the City of London, Britain October 14, 2019.

A protester eats fake money outside the BlackRock office during an Extinction Rebellion demonstration in the City of London, Britain October 14, 2019.

Children wave an Extinction Rebellion flag during a demonstration, in the City of London, Britain October 14, 2019.

Protester hold placards during an Extinction Rebellion demonstration, in the City of London, Britain October 14, 2019.

Co-founder of the Extinction Rebellion group, Gail Bradbrook, places a sign atop the doorway into the Department of Transport, during an Extinction Rebellion protest in London, Britain, October 15, 2019.

A protester lies on the ground after she glued herself to revolving door of Barclays Bank during an Extinction Rebellion demonstration in Canary Wharf, London, Britain October 14, 2019.

Climate change activists attend an Extinction Rebellion demonstration in London, Britain, October 12, 2019.

Co-founder of the Extinction Rebellion group, Gail Bradbrook, reacts as she is removed from atop the doorway into the Department of Transport, during an Extinction Rebellion protest in London, Britain, October 15, 2019.

Image used for illustrative purpose. Climate change activists attend an Extinction Rebellion demonstration in London, Britain, October 12, 2019.

Co-founder of the Extinction Rebellion group, Gail Bradbrook, sits atop the doorway into the Department of Transport, during an Extinction Rebellion protest in London, Britain, October 15, 2019.

"Red Brigade" activists attend an Extinction Rebellion demonstration in London, Britain, October 12, 2019.

A protester eats fake money outside the BlackRock office during an Extinction Rebellion demonstration in the City of London, Britain October 14, 2019.

A police officer stands next to a climate activist attached to a caravan as Extinction Rebellion protesters block a road in central London, Britain, October 15, 2019.

Police officers remove a volunteer with the Extinction Rebellion who was protesting the role of banks in financing fossil fuel projects undermining the 2015 Paris Agreement to curb climate change, in London, Britain, October 14, 2019, in this image obtained via social media. Louise Jasper via REUTERS

"Red Brigade" activists walk during an Extinction Rebellion demonstration, in London, Britain October 14, 2019.