THURROCK, ENGLAND - APRIL 21:  Jeremy Hunt, incumbent Secretary of State for Health, and the Member of Parliament (MP) for South West Surrey, joins local Conservative Party activists as they campaign with Jackie Doyle-Price on the constituency's battle bus on April 21, 2015 in Thurrock, England.  The south Essex constituency of Thurrock is a three-way battle with the UK Independence Party candidate Tim Aker and Labour's Polly Billington challenging incumbent Conservative MP Jackie Doyle-Price.  The United Kingdom goes to the polls in a general election on May 7th.  (Photo by Rob Stothard/Getty Images)