© Licensed to London News Pictures . 19/02/2017. Stoke-on-Trent, UK. GARETH SNELL (r) poses for a photo with a supporter at the Labour Party campaign base on Garth Street . Labour Shadow Chancellor John McDonnell joins Gareth Snell - the party's candidate for the seat of Stoke-on-Trent Central , in the by-election campaign . Photo credit: Joel Goodman/LNP
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