CHRISTCHURCH, DORSET - MAY 12:  Boris Johnson speaks as he visits Reidsteel, a Christchurch company backing the Leave Vote on the 23rd June 2016. on May 12, 2016 in Christchurch, Dorset. The Vote Leave battle bus has been touring the South West of England hoping to persuade voters to back a Brexit from the European Union in the Referendum  (Photo by Matt Cardy/Getty Images)