A paper mache pig meant to mock Donald Trump sits on display at a protest against the Republican presidential candidate before the start of the Republican National Convention in Cleveland, Ohio, USA, 17 July 2016. Numerous protest groups are expected in Cleveland throughout the four-day-long convention. (Photo by Jim Lo Scalzo/EPA)

People protest at the Boston Free Speech Rally in Boston, USA on August 19. 2017. With the Boston Free Speech rally was closed to the media (despite the Boston Common being a public space), a lot of the media’s coverage centred on the tensions within the larger counter-protest. (Photo by Stephanie Keith/Reuters)

A group of PETA supporters protest Canada Goose's use of coyote fur, with “Canada Goose Kills” painted on their backs in New York, USA on October 18, 2018. (Photo by Erik Pendzich/Rex Features/Shutterstock)

A police officer who was injured when falling of a horse during scuffles with demonstrators at Downing Street during a Black Lives Matter march in London, Saturday, June 6, 2020, is dragged by colleagues, as people protest against the killing of George Floyd by police officers in Minneapolis, USA. Floyd, a black man, died after he was restrained by Minneapolis police while in custody on May 25 in Minnesota. (Photo by Frank Augstein/AP Photo)

A muslim woman protests opposite Downing street against the military action taken by the UK, USA and France against Libya on March 21, 2011 in London, England. The Pentagon says that United States and United Kingdom military forces have fired more than 110 missiles, with French planes attacking pro-Gaddafi forces near rebel-held Benghazi. (Photo by Oli Scarff/Getty Images)

Police officers react as they attempt to detain a protestor near the entrance to Downing Street, during an anti-racism demonstration in London, on June 3, 2020, after George Floyd, an unarmed black man died after a police officer knelt on his neck during an arrest in Minneapolis, USA. Londoners defied coronavirus restrictions and rallied on Wednesday in solidarity with protests raging across the United States over the death of George Floyd, an unarmed black man who died during an arrest on May 25. (Photo by Daniel Leal-Olivas/AFP Photo)

Edward Nunn of the USA, Toney Freeman of the USA and Dexter Jackson of the USA pose during the IFBB Australia Pro Grand Prix XII at The Plenary on March 9, 2013 in Melbourne, Australia. (Photo by Robert Cianflone)