Greenpeace UK activists installed prison bars around statues of Nelson Mandela, Mahatma Gandhi, and Millicent Fawcett in Parliament Square.
The action highlights the government's desire to cast protesters as criminals and terrorists.
all famous protesters who helped end injustice and secure democratic freedoms
Despite being celebrated as heroes, they could be branded as criminals under the government's anti-protest laws if they were still protesting today.
Author's summary: Activists highlight government crackdown on protests.