Nigel Farage faces a European Parliament investigation for using taxpayer funds to pay for a roadshow around Britain campaigning against the European Union.

The Ukip leader has been reported to Brussels authorities for financing his ‘Say No To EU’ speaking tour using EU money allocated to his group of MEPs.

Mr Farage’s Europe of Freedom and Direct Democracy group (EFDD) - which is made up of Ukip MEPs and Eurosceptics from other countries – has received 6.4million euros (£4.7million) from the Parliament in the past three years to pay for its activities.

Nigel Farage faces a European Parliament investigation for using taxpayer funds to pay for a roadshow around Britain campaigning against the European Union

Labour MP Wes Streeting has written to the president, Martin Schulz, after he discovered some of the money is being used to sponsor Mr Farage’s anti-EU tour, which he is using to launch his anti-EU campaign.

Mr Farage is currently visiting theatres and hotels across Britain trying to persuade people to vote to end Britain’s membership of the EU in the referendum.

Mr Streeting, who is a member of the Commons Treasury select committee, has asked Mr Schulz to investigate whether the spending is a breach of EU rules, which state groups must ‘carry out their duties as part of the activities of the Union’.

He has also accused Mr Farage of having double standards for using the money while vehemently arguing the government should not be able to use public money to campaign to stay in the EU.

Labour MP Wes Streeting has written to the president, Martin Schulz, after he discovered some of the money is being used to sponsor Mr Farage’s anti-EU tour, which he is using to launch his anti-EU campaign

Mr Streeting said: ‘Nigel Farage has a catalogue of questions to answer about whether he is spending taxpayers’ money on his campaign and breaching European Parliament rules.

‘Mr Farage has already criticised David Cameron over the use of public funds in the referendum campaign, so any suggestion that Ukip has bankrolled his anti-EU tour with European taxpayers’ money must be thoroughly investigated by the Parliament’s authorities.

‘Perhaps Nigel Farage will now rule out using any further EFDD funding for his anti-EU campaign?’

An EFDD spokesman said last night: ‘The EU and political groups spend billions on pro-EU propaganda.

'They cannot complain when elected MEPs facilitate public knowledge and debate on how the EU “works”.