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First Brexit Poll Since Jo Cox Killing Has ‘Remain’ in Lead
- 45% back staying in EU, 42% want Brexit, Survation survey says
- Cameron says ‘no turning back’ if voters choose to leave EU

Tributes including flowers calling for a 'remain' vote in the EU referendum are piled in remembrance against a photograph of slain Labour MP Jo Cox in Parliament Square central London on June 18, 2016.
Photographer: Ben Stansall/AFP via Getty ImagesUpdated on