A pro-Palestinian demonstrator in London wears a mask and holds a lit flare in May 2021. Reuters
Banned: A protester with their face covered during the Pro-Palestinian march in London on November 11. EPA
A supporter of WikiLeaks founder Julian Assange wears a mask at a protest against his extradition to the US, outside the High Court in London in January 2022. AFP
A campaigner from We Own It poses in a Margaret Thatcher mask to protest against the privatisation of Channel 4 in London, in April 2022. AP
Extinction Rebellion protesters wear masks depicting Prime Minister Boris Johnson and a rat on Exhibition Road, London, in April 2022. Getty Images
An Extinction Rebellion protester wears a mask resembling Rishi Sunak, then chancellor of the Exchequer, in London in April 2022. Getty Images
Extinction Rebellion protesters dress up as Mr Sunak, Mr Johnson, then-home secretary Priti Patel, and Jacob Rees-Mogg MP in April 2022 in London. Getty Images
A protester with a face mask of WikiLeaks founder Julian Assange in October 2021. AFP
Protesters wave flags and hold flares during a pro-Palestinian protest in London on November 11. AP
A demonstrator holds a flare as Extinction Rebellion members stage a protest on Earth Day in London in April 2022. Reuters
An activist holds a flare in a protest against factory farming, outside the High Court in London in January 2022. AP
A flare burns as National Health Service staff march against Covid-19 vaccine rules in London, in January 2022. Reuters
Police officers surrounded by orange flare smoke and NHS uniforms after the march against Covid-19 vaccine rules, at the entrance to Downing Street, London, in January 2022. Reuters
A demonstrator holds a flare in a march to protest against the Police, Crime, Sentencing and Courts Bill, outside the entrance to Downing Street, in London in January 2022. AFP
A pro-Palestinian demonstrator in London wears a mask and holds a lit flare in May 2021. Reuters
Banned: A protester with their face covered during the Pro-Palestinian march in London on November 11. EPA
A supporter of WikiLeaks founder Julian Assange wears a mask at a protest against his extradition to the US, outside the High Court in London in January 2022. AFP
A campaigner from We Own It poses in a Margaret Thatcher mask to protest against the privatisation of Channel 4 in London, in April 2022. AP
Extinction Rebellion protesters wear masks depicting Prime Minister Boris Johnson and a rat on Exhibition Road, London, in April 2022. Getty Images
An Extinction Rebellion protester wears a mask resembling Rishi Sunak, then chancellor of the Exchequer, in London in April 2022. Getty Images
Extinction Rebellion protesters dress up as Mr Sunak, Mr Johnson, then-home secretary Priti Patel, and Jacob Rees-Mogg MP in April 2022 in London. Getty Images
A protester with a face mask of WikiLeaks founder Julian Assange in October 2021. AFP
Protesters wave flags and hold flares during a pro-Palestinian protest in London on November 11. AP
A demonstrator holds a flare as Extinction Rebellion members stage a protest on Earth Day in London in April 2022. Reuters
An activist holds a flare in a protest against factory farming, outside the High Court in London in January 2022. AP
A flare burns as National Health Service staff march against Covid-19 vaccine rules in London, in January 2022. Reuters
Police officers surrounded by orange flare smoke and NHS uniforms after the march against Covid-19 vaccine rules, at the entrance to Downing Street, London, in January 2022. Reuters
A demonstrator holds a flare in a march to protest against the Police, Crime, Sentencing and Courts Bill, outside the entrance to Downing Street, in London in January 2022. AFP
A pro-Palestinian demonstrator in London wears a mask and holds a lit flare in May 2021. Reuters