Revealed: Ukip whistleblowers raised fears about Breitbart influence on Brexit | Politics | The Guardian Wed 08/11/2017 Piotr UK Sources tell Guardian that senior ‘volunteers’ in Ukip before EU referendum were paid by the rightwing US website Source: Revealed: Ukip whistleblowers raised fears about Breitbart influence on Brexit | Politics | The Guardian BreitbartUKiP