Police raid anti-G8 protests in London – in pictures

A protester is watched by police in Piccadilly, central London, amid demonstrations ahead of the G8 conference in Northern Ireland next week Photograph: John Stillwell/PA

A protester holds a placard in front of the BP headquarters as police officers stands guard during the Carnival Against Capitalism demonstration in London Photograph: Facundo Arrizabalaga/EPA

A member of the Stop G8 Protest Group demonstrates from a window Photograph: Tolga Akmen/ Barcroft Media

A protester on Regent Street Photograph: Oli Scarff/Getty Images

Police form a cordon after raiding a building used as a base for anti-G8 demonstrators Photograph: Stefan Wermuth/Reuters

Anti-G8 protesters are watched by police Photograph: Oli Scarff/Getty Images

Protesters, demonstrating against the upcoming G8 summit, scuffle with police in central London Photograph: Luke Macgregor/Reuters

Protesters scuffle with police in central London Photograph: LUKE MACGREGOR/Reuters

Police collar anti-G8 protesters in London
Photograph: Martin Godwin/The Guardian

Police and anti-G8 protesters come face to face Photograph: Andrew Cowie /AFP/Getty Images

Police in London detain a protester against the upcoming G8 summit Photograph: Luke Macgregor/Reuters

Protesters clash with police in Golden Square, London Photograph: Lewis Whyld/PA

Police search a man they have handcuffed
Photograph: Martin Godwin/The Guardian