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Britain's opposition Labour party Leader Jeremy Corbyn (C) applauds stands with Britain's opposition Labour party's Deputy Leader Tom Watson (L) and Britain's opposition Labour party's Shadow Chancellor of the Exchequer John McDonnell (2R) and Britain's opposition Labour party's Shadow Home Secretary Diane Abbott (R) following his general election campaign launch in Manchester, north-west England, on May 9, 2017. Britain will vote in a general election on June 8. / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)

Britain's opposition Labour party Leader Jeremy Corbyn (C) applauds stands with Britain's opposition Labour party's Deputy Leader Tom Watson (L) and Britain's opposition Labour party's Shadow Chancellor of the Exchequer John McDonnell (2R) and Britain's opposition Labour party's Shadow Home Secretary Diane Abbott (R) following his general election campaign launch in Manchester, north-west England, on May 9, 2017. Britain will vote in a general election on June 8. / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)
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Britain's opposition Labour party Leader Jeremy Corbyn stands in front of his party's campaign bus as he speaks during his general election campaign launch in Manchester, north-west England, on May 9, 2017. Britain will vote in a general election on June 8. / AFP PHOTO / PAUL ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)

Britain's opposition Labour party Leader Jeremy Corbyn stands in front of his party's campaign bus as he speaks during his general election campaign launch in Manchester, north-west England, on May 9, 2017. Britain will vote in a general election on June 8. / AFP PHOTO / PAUL ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)
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Members of Britain's opposition Labour party, including Britain's opposition Labour party's Shadow Home Secretary Diane Abbott (from row C), Britain's opposition Labour party's Shadow Chancellor of the Exchequer John McDonnell (front row 4R) and Britain's opposition Labour party's Shadow Foreign Secretary Emily Thornberry (front row 3R) listen as Leader Jeremy Corbyn speaks during his general election campaign launch in Manchester, north-west England, on May 9, 2017. Britain will vote in a general election on June 8. / AFP PHOTO / PAUL ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)

Members of Britain's opposition Labour party, including Britain's opposition Labour party's Shadow Home Secretary Diane Abbott (from row C), Britain's opposition Labour party's Shadow Chancellor of the Exchequer John McDonnell (front row 4R) and Britain's opposition Labour party's Shadow Foreign Secretary Emily Thornberry (front row 3R) listen as Leader Jeremy Corbyn speaks during his general election campaign launch in Manchester, north-west England, on May 9, 2017. Britain will vote in a general election on June 8. / AFP PHOTO / PAUL ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)
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Britain's opposition Labour party Leader Jeremy Corbyn speaks during his general election campaign launch in Manchester, north-west England, on May 9, 2017. Britain will vote in a general election on June 8. / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)

Britain's opposition Labour party Leader Jeremy Corbyn speaks during his general election campaign launch in Manchester, north-west England, on May 9, 2017. Britain will vote in a general election on June 8. / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)
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Britain's opposition Labour party Leader Jeremy Corbyn speaks during his general election campaign launch in Manchester, north-west England, on May 9, 2017. Britain will vote in a general election on June 8. / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)

Britain's opposition Labour party Leader Jeremy Corbyn speaks during his general election campaign launch in Manchester, north-west England, on May 9, 2017. Britain will vote in a general election on June 8. / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)
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AFP PAUL ELLIS