Activists attend a parade to demand rights of gender equality to LGBT community members in Santiago, Chile, November 25, 2017. REUTERS/Ivan Alvarado TPX IMAGES OF THE DAY 

An LGBT activist attends a rally against Homophobia and Transphobia in Kiev, Ukraine, May 17, 2017. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY 

A woman places flowers on a train wagon during a memorial marking the 74th anniversary of the first deportation of Jews from Thessaloniki to Auschwitz, in Thessaloniki, Greece, March 19, 2017 REUTERS/Alexandros Avramidis 

Britain's Opposition Labour Party leader Jeremy Corbyn attends a Stand Up To Racism rally in London, Britain October 8, 2016. REUTERS/Neil Hall 

Britain's Opposition Labour Party leader Jeremy Corbyn (R) speaks at a Stand Up To Racism rally in London, Britain October 8, 2016. REUTERS/Neil Hall 

Britain's Opposition Labour Party leader Jeremy Corbyn speaks at a Stand Up To Racism rally in London, Britain October 8, 2016. REUTERS/Neil Hall 

Britain's Opposition Labour Party Shadow Home Secretary Diane Abbott speaks at a Stand Up To Racism rally in London, Britain October 8, 2016. REUTERS/Neil Hall 

Britain's Opposition Labour Party Shadow Home Secretary Diane Abbott (C) attends at a Stand Up To Racism rally in London, Britain October 8, 2016. REUTERS/Neil Hall 

Britain's Opposition Labour Party Shadow Home Secretary Diane Abbott speaks at a Stand Up To Racism rally in London, Britain October 8, 2016. REUTERS/Neil Hall 

Britain's Opposition Labour Party Shadow Home Secretary Diane Abbott (C) waves after speaking at a Stand Up To Racism rally in London, Britain October 8, 2016. REUTERS/Neil Hall 

Britain's Opposition Labour Party leader Jeremy Corbyn speaks at a Stand Up To Racism rally in London, Britain October 8, 2016. REUTERS/Neil Hall 

Britain's Opposition Labour Party leader Jeremy Corbyn speaks at a Stand Up To Racism rally in London, Britain October 8, 2016. REUTERS/Neil Hall 

Britain's Opposition Labour Party leader Jeremy Corbyn attends a Stand Up To Racism rally in London, Britain October 8, 2016. REUTERS/Neil Hall 

Britain's Opposition Labour Party Shadow Home Secretary Diane Abbott speaks at a Stand Up To Racism rally in London, Britain October 8, 2016. REUTERS/Neil Hall 

Britain's Opposition Labour Party leader Jeremy Corbyn reacts as he receives a gift at a Stand Up To Racism rally in London, Britain October 8, 2016. REUTERS/Neil Hall 

Defendant Beate Zschaepe, accused of helping found a neo-Nazi cell, the National Socialist Underground (NSU), and of complicity in the murders of eight Turks, a Greek and a German police woman across Germany between 2000 and 2007 and her her lawyer Mathias Grasel, arrive for the continuation of her trial at a courtroom in Munich, southern Germany, October 6, 2016. REUTERS/Christof Stache/Pool 

Defendant Beate Zschaepe, accused of helping found a neo-Nazi cell, the National Socialist Underground (NSU), and of complicity in the murders of eight Turks, a Greek and a German police woman across Germany between 2000 and 2007, arrives for the continuation of her trial at a courtroom in Munich, southern Germany, October 6, 2016. REUTERS/Christof Stache/Pool 

Defendant Beate Zschaepe, accused of helping found a neo-Nazi cell, the National Socialist Underground (NSU), and of complicity in the murders of eight Turks, a Greek and a German police woman across Germany between 2000 and 2007, arrives for the continuation of her trial at a courtroom in Munich, southern Germany, October 6, 2016. REUTERS/Christof Stache/Pool 

Defendant Beate Zschaepe, accused of helping found a neo-Nazi cell, the National Socialist Underground (NSU), and of complicity in the murders of eight Turks, a Greek and a German police woman across Germany between 2000 and 2007, arrives for the continuation of her trial at a courtroom in Munich, southern Germany, October 6, 2016. REUTERS/Christof Stache/Pool 

A protester holds up a an anti-racism sign as Republican presidential nominee Donald Trump speaks during a campaign rally in Cedar Rapids, Iowa, U.S., July 28, 2016. REUTERS/Carlo Allegri 

Supporters of Republican U.S. presidential nominee Donald Trump attempt to obscure a protestor from the activist group Code Pink, who is holding an anti-racism and anti-hate banner, as she interrupts the proceedings during the second day of the Republican National Convention in Cleveland, Ohio, U.S. July 19, 2016. REUTERS/Aaron P. Bernstein TPX IMAGES OF THE DAY

Supporters of Republican U.S. presidential nominee Donald Trump attempt to obscure a protestor from the activist group Code Pink, who is holding an anti-racism and anti-hate banner, as she interrupts the proceedings during the second day of the Republican National Convention in Cleveland, Ohio, U.S. July 19, 2016. REUTERS/Aaron P. Bernstein

Supporters of Republican U.S. presidential nominee Donald Trump attempt to obscure a protestor from the activist group Code Pink, who is holding an anti-racism and anti-hate banner, as she interrupts the proceedings during the second day of the Republican National Convention in Cleveland, Ohio, U.S. July 19, 2016. REUTERS/Aaron P. Bernstein

Simon Brodkin (aka Lee Nelson) is removed from a press conference by Republican presidential candidate Donald Trump at Turnberry Golf course in Turnberry, Scotland, June 24, 2016. REUTERS/Carlo Allegri 

A protester holds up golf balls with a swastika as he is removed from a press conference by Republican presidential candidate Donald Trump at Turnberry Golf course in Turnberry, Scotland, June 24, 2016. REUTERS/Carlo Allegri 

A protester holds up golf balls with a swastika as he is removed from a press conference by Republican presidential candidate Donald Trump at Turnberry Golf course in Turnberry, Scotland, June 24, 2016. REUTERS/Carlo Allegri 

Military enthusiasts dressed as Nazi troops take part in a re-enactment of a World War II battle at the Hero fortress as they mark the 75th anniversary of the Nazi Germany invasion, in Brest, Belarus June 22, 2016. REUTERS/Vasily Fedosenko 

Military enthusiasts dressed as Nazi troops and Soviet Red Army take part in a re-enactment of a World War II battle at the Hero fortress as they mark the 75th anniversary of the Nazi Germany invasion, in Brest, Belarus June 22, 2016. REUTERS/Vasily Fedosenko 

Military enthusiasts dressed as Soviet Red Army stand during the minute of silence after they took part in a re-enactment of a World War II battle at the Hero fortress as they mark the 75th anniversary of the Nazi Germany invasion, in Brest, Belarus June 22, 2016. REUTERS/Vasily Fedosenko 

Military enthusiasts dressed as Nazi troops and Soviet Red Army and civilians take part in a re-enactment of a World War II battle at the Hero fortress as they mark the 75th anniversary of the Nazi Germany invasion, in Brest, Belarus June 22, 2016. REUTERS/Vasily Fedosenko 

Chile's government house is illuminated with rainbow colours to mark International Day Against Homophobia in Santiago, Chile, May 17, 2016. REUTERS/Ivan Alvarado 

Defendant Reinhold Hanning, a 94-year-old former guard at Auschwitz death camp, sits in a courtroom before his trial in Detmold, Germany, April 6, 2016. REUTERS/Friso Gentsch/Pool TPX IMAGES OF THE DAY

Houses with painted red doors are seen on a terraced street in the Gresham area of Middlesbrough, northern Britain, January 20, 2016. Asylum seekers in the northern English town of Middlesbrough are suffering abuse because they have been housed in properties that almost all have red front doors, making them easy targets for racists, the Times newspaper reported on Wednesday. REUTERS/Phil Noble

Demonstrators confront police officers during a protest in reaction to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 27, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles TPX IMAGES OF THE DAY

Protesters drag barricades onto Michigan Avenue to disrupt traffic during a protest in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Demonstrators argue with police officers during a protest in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Protesters confront police officers during a protest in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Protesters surround police officers during a demonstration in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Protesters confront police officers during a demonstration in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Police officers order protesters to move back during a demonstration in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Protesters link arms to block an intersection during a demonstration in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles TPX IMAGES OF THE DAY

A protester is detained by police during a protest in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Protesters demonstrate in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Protesters stop traffic while demonstrating in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Protesters confront police while demonstrating in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Protesters demonstrate in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Protesters demonstrate in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles TPX IMAGES OF THE DAY

A protester demonstrates in response to the fatal shooting of Laquan McDonald in Chicago, Illinois, November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Protestors demonstrate in response to the fatal shooting of Laquan McDonald in Chicago, Illinois November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Protestors including Dontreal Widow (L) demonstrate in response to the fatal shooting of Laquan McDonald in Chicago, Illinois November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles TPX IMAGES OF THE DAY

Protestors including Quovadis Green (L) confront police during a demonstration in response to the fatal shooting of Laquan McDonald in Chicago, Illinois November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Protestors including Dontreal Widow (L) demonstrate in response to the fatal shooting of Laquan McDonald in Chicago, Illinois November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles 

Police officers scuffle with protesters during a demonstration after the release of a video showing the shooting of Laquan McDonald, in Chicago, Illionois November 24, 2015. A white Chicago policeman was charged with murdering a black teenager on Tuesday, hours before authorities released a graphic video showing the youth walking away from officers as he is shot 16 times. Picture taken November 24, 2015. REUTERS/Andrew Nelles 

Police officers scuffle with protesters during a demonstration after the release of a video showing the shooting of Laquan McDonald, in Chicago, Illinois November 24, 2015. McDonald, 17, was fatally shot by a Chicago police officer in October 2014. REUTERS/Andrew Nelles 

Protesters demonstrate after the release of a video showing the shooting of Laquan McDonald, in Chicago, Illinois November 24, 2015. McDonald, 17, was fatally shot by a Chicago police officer in October 2014. REUTERS/Andrew Nelles 

Protesters confront police officers during a demonstration after the release of a video showing the shooting of Laquan McDonald, in Chicago, Illinois November 24, 2015. McDonald, 17, was fatally shot by a Chicago police officer in October 2014. REUTERS/Andrew Nelles 

Protesters confront police officers during a demonstration after the release of a video showing the shooting of Laquan McDonald, in Chicago, Illinois November 24, 2015. McDonald, 17, was fatally shot by a Chicago police officer in October 2014. REUTERS/Andrew Nelles 

Protesters confront police officers during a demonstration after the release of a video showing the shooting of Laquan McDonald, in Chicago, Illinois November 24, 2015. McDonald, 17, was fatally shot by a Chicago police officer in October 2014. REUTERS/Andrew Nelles 

Police officers scuffle with protesters during a demonstration after the release of a video showing the shooting of Laquan McDonald, in Chicago, Illinois November 24, 2015. McDonald, 17, was fatally shot by a Chicago police officer in October 2014. REUTERS/Andrew Nelles 

A woman greets protesters out of a car window during a protest after the release of a video showing the shooting of Laquan McDonald, in Chicago, Illinois, November 25, 2015. McDonald, 17, was fatally shot by a Chicago police officer in October 2014. REUTERS/Andrew Nelles