BRITAIN

An Extinction rebellion protester carries tree saplings outside the Houses of Parliament in London, Britain. Photograph: Henry Nicholls/Reuters

BRITAIN

Extinction Rebellion protesters demonstrate at Trafalgar Square, in London, Britain. Photograph: Henry Nicholls/Reuters

BRITAIN

Extinction Rebellion protesters with painted faces demonstrate at Trafalgar Square, London. Photograph: Peter Nicholls/Reuters

BRITAIN

Extinction Rebellion protesters attend a demonstration outside the Home Office in London, Britain. Photograph: Simon Dawson/Reuters

BRITAIN

Protester holds a crossed out stop traffic sign as he demonstrates in Westminster, London, Britain. Photograph: Peter Nicholls/Reuters

BRITAIN

A protester is detained during an Extinction Rebellion demonstration at Whitehall in London. Photograph: Henry Nicholls/Reuters

BRITAIN

Police officers detain an Extinction Rebellion protester near the Houses of Parliament in London, Britain. Photograph: Henry Nicholls/Reuters

BRITAIN

Police officers detain an activist at Lambeth Bridge during the Extinction Rebellion protest in London. Photograph: Henry Nicholls/Reuters