A demonstrator holds a placard during a protest against racial inequality in the aftermath of the death in Minneapolis police custody of George Floyd, in Barcelona, Spain on June 7, 2020. (Photo by Nacho Doce/Reuters)





A child pets a dog with a placard attached to it during a protest against the death in Minneapolis police custody of George Floyd, in Maastricht, Netherlands on June 7, 2020. (Photo by Piroschka van de Wouw/Reuters)





A demonstrator holds a placard during a protest against the death in Minneapolis police custody of George Floyd, in Maastricht, Netherlands on June 7, 2020. (Photo by Piroschka van de Wouw/Reuters)





A firework explodes as police officers clash with demonstrators in Whitehall during a Black Lives Matter protest in London, following the death of George Floyd who died in police custody in Minneapolis, London, Britain, June 7, 2020. (Photo by Dylan Martinez/Reuters)





A demonstrator holds up her fist, in front of police officers during a protest, organised by Black Lives Matter Belgium, against racial inequality in the aftermath of the death in Minneapolis police custody of George Floyd, in central Brussels, Belgium on June 7, 2020. (Photo by Yves Herman/Reuters)





Demonstrators hold up signs in Parliament Square during a Black Lives Matter protest in London, following the death of George Floyd who died in police custody in Minneapolis, London, Britain, June 7, 2020. (Photo by Peter Nicholls/Reuters)





A demonstrator flees from tear gas during a protest, organised by Black Lives Matter Belgium, against racial inequality in the aftermath of the death in Minneapolis police custody of George Floyd, in central Brussels, Belgium on June 7, 2020. (Photo by Yves Herman/Reuters)





A demonstrator kneels while she holds up a sign in front of police officers during a protest, organised by Black Lives Matter Belgium, against racial inequality in the aftermath of the death in Minneapolis police custody of George Floyd, in central Brussels, Belgium on June 7, 2020. (Photo by Yves Herman/Reuters)





A demonstrator holds up a sign in Parliament Square during a Black Lives Matter protest in London, following the death of George Floyd who died in police custody in Minneapolis, London, Britain, June 7, 2020. (Photo by Dylan Martinez/Reuters)





A Police officer receives medical attention after Police clashed with demonstrators in Whitehall during a Black Lives Matter protest in London, following the death of George Floyd who died in police custody in Minneapolis, London, Britain, June 7, 2020. (Photo by Dylan Martinez/Reuters)





A demonstrator is detained by a Police officer during a Black Lives Matter protest in London, following the death of George Floyd who died in police custody in Minneapolis, London, Britain, June 7, 2020. (Photo by Peter Nicholls/Reuters)





A demonstrator is detained by Police on Whitehall during a Black Lives Matter protest in London, following the death of George Floyd who died in police custody in Minneapolis, London, Britain, June 7, 2020. (Photo by Dylan Martinez/Reuters)





Police clash with demonstrators on Whitehall during a Black Lives Matter protest in London, following the death of George Floyd who died in police custody in Minneapolis, London, Britain, June 7, 2020. (Photo by Hannah McKay/Reuters)





Demonstrators interact during a protest against racial inequality in the aftermath of the death in Minneapolis police custody of George Floyd, in front of the at Grand Army Plaza in the Brooklyn borough of New York City, New York, U.S. June 7, 2020. (Photo by Eduardo Munoz/Reuters)





Protesters chant slogans in front of the US embassy, during the Black Lives Matter protest rally in London, Sunday, June 7, 2020, in response to the recent killing of George Floyd by police officers in Minneapolis, USA, that has led to protests in many countries and across the US. (Photo by Frank Augstein/AP Photo)





A protester yells at police during the Black Lives Matter protest rally in London, Sunday, June 7, 2020, in response to the recent killing of George Floyd by police officers in Minneapolis, USA, that has led to protests in many countries and across the US. (Photo by Frank Augstein/AP Photo)





People hold placards during a protest against racial inequality in the aftermath of the death in Minneapolis police custody of George Floyd in Krakow, Poland on June 7, 2020. (Photo by Jakub Porzycki/Agencja Gazeta via Reuters)





A protester is arrested during a Black Lives Matter protest rally on Vauxhall Bridge, in London, Sunday, June 7, 2020, in response to the recent killing of George Floyd by police officers in Minneapolis, USA, that has led to protests in many countries and across the US. (Photo by Gareth Fuller/PA Wire via AP Photo)