You’re a f***ing liar!

KEN Livingstone and Boris Johnson’s first live debate descended into a furious four-letter bust-up as the pair clashed over their tax arrangements ahead of next month’s London mayoral elections.

Livingstone has come under attack in recent weeks over claims that he was paid via a company so he was liable only for 20 per cent corporation tax rather than the higher rate of income tax.

He accused the mayor of having ‘the same arrangements’ for dealing with his media earnings – insisting he had used a company called Finland Station to do so.

An outraged Boris branded newt-enthusiast Livingstone a ‘liar’ over the suggestion in a fractious session hosted by LBC 97.3.

He raged: ‘I have never used a company to minimise my tax. There was a TV production company which I was briefly a director of... but I have always paid full income tax.’

Mr Livingstone went on to argue the pair were in the same position in regards to their media earnings. But Mr Johnson denied that he had ever used a company to avoid tax, calling Mr Livingstone ‘a bare faced liar’.

And the pair continued to row even after the show had finished when a furious Mr Johnson swore at his Labour opponent.

Travelling up to the roof to be photographed, the Mayor shouted at Mr Livingstone ‘it’s all f***ing lies, it’s all f***ing lies’.

Other reports claim a red faced Johnson went ‘nose to nose’ with Livingstone as they stood in the lift and repeatedly told him: ‘You are a f***ing liar’.