Supporters of the online action group Anonymous have taken to the streets of London to show their support for the organisation.
Hundreds of people have gathered in Trafalgar Square and have marched on parliament wearing masks of Guy Fawkes.
The protesters say they are taking part in the Million Mask March which has seen similar demonstrations in America, Australia and Scandinavia.
Anonymous claim the protest is demonstration of support for their organisation and WikiLeaks.
More top news
The Queen, Duke of Edinburgh and other members of the Royal Family have attended the funeral of Countess Mountbatten of Burma.
Shop owner Jel Singh Nagra changed the name of his North Tyneside store after threat of legal action from Sainsbury's
Sunshine in short supply