Question Time: the anti-BNP protests in pictures

Hundreds of people protest outside BBC Television Centre against BNP leader Nick Griffin's appearance on Question Time Photograph: Andy Rain/EPA

Riot police guard the main gate at BBC Television Centre Photograph: Lefteris Pitarakis/AP

Protesters in a stand-off with police outside the main gate Photograph: Ray Tang/Rex Features

Protesters earlier in the day outside BBC Television Centre Photograph: Lefteris Pitarakis/AP

Protesters in a scuffle with police Photograph: Lefteris Pitarakis/AP

Anti-fascist demonstrators wearing masks depicting BNP leader Nick Griffin as Adolf Hitler Photograph: Lefteris Pitarakis/AP

Protesters demonstrate outside BBC Television Centre Photograph: Oli Scarff/Getty Images

Nick Griffin manages to enter BBC Television Centre Photograph: Peter Macdiarmid/Getty Images

Nick Griffin's security team stand at the back entrance to BBC Television Centre Photograph: Peter Macdiarmid/Getty Images

Nick Griffin on Question Time Photograph: BBC/PA

Unite Against Fascism protesters demonstrate outside BBC Television Centre Photograph: Ray Tang/Rex Features

Demonstrators storm the gates of BBC Television Centre Photograph: Lewis Whyld/PA

Protesters run through the grounds of BBC Television Centre Photograph: Kieran Doherty/Reuters

Police chase demonstrators after they stormed BBC Television Centre Photograph: Lewis Whyld/PA

Protesters' posters are held up high outside of BBC Television Centre Photograph: Oli Scarff/Getty Images

A confrontation outside BBC Television Centre Photograph: Kevin Coombs/Reuters

A BNP supporter with the flag of St George opposite BBC Television Centre Photograph: Ray Tang/Rex Features

A protester outside BBC Television Centre Photograph: Leon Neal/AFP/Getty Images

An anti-BNP demonstrator holds a flyer with a picture of BNP leader Nick Griffin Photograph: Lefteris Pitarakis/AP