A campaigner wears a T-shirt bearing the slogan "I'm Turning My Back On The EU" as he attends an Anti-EU (European Union) United Kingdom Independence Party (UKIP) pro-Brexit campaign event, ahead of the forthcoming referendum, in Birmingham, central England, on May 31, 2016. - Politicians and world leaders have dominated the headlines in the campaign for Britain's Jun 23, 2016 EU referendum, but a passionate battle for the country's future is also being fought by activists on the streets. (Photo by PAUL ELLIS / AFP) (Photo by PAUL ELLIS/AFP via Getty Images)