Demonstrators with smoke bombs and a banner reading Refugees Are Welcome Here at Anti-racism Day demonstration led by Stand Up To Racism on 19th March 2016 in London, United Kingdom. Stand Up To Racism has led some of the biggest anti-racist mobilisations in Britain of the last decade, making a stand protesting against racism, Islamophobia, anti-Semitism and(photo by Mike Kemp/In Pictures via Getty Images)