The Prime Minister David Cameron said the next election will be a straight fight between red and blue.
Speaking to ITV News earlier he defended his government's welfare reforms, pledged to promote more women to his front bench, and responded to his description of UKIP voters as "closet racists, loonies and fruitcakes."
Watch his full interview with ITV News presenter Julie Etchingham below.
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Government ministers from the UK, France and China attended the event.
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