However UKIP MEP Gerard Batten said people wanted "maximum standards not minimum standards" on mutual recognition.

BBC: Call to strengthen language rules in EU single market

And UKIP MEP Gerard Batten said some polls suggested the party was now "neck and neck" with the Conservatives.

BBC: Nigel Farage with UKIP's candidate Diane James

His fellow MEP and leadership candidate Gerard Batten, campaigning in a bright pink UKIP blazer, said he wanted to make the party more radical and take it forward so it appealed across the board of electors.

BBC: UKIP considers leadership hopefuls