EU referendum: Tory, Labour, UKIP and Lib Dem policy

Four candidates in the European election were asked about their party's stance on a potential referendum over the UK's future within the EU.

Andrew Neil heard from Conservative Syed Kamall, Lib Dem Sarah Ludford, Labour's Richard Howitt and UKIP's Patrick O'Flynn on what their party would do about giving the British people a vote, and renegotiating a future deal with Brussels.

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