By Matt Chorley and Tamara Cohen David Cameron claimed it had been a 'good day' for his Europe policy after former Tory Chancellor Nigel Lawson dramatically called for Britain to leave the EU. The explosive intervention threatened to destroy Tory unity around the Prime Minister's pledge to hold an in-out referendum if he wins the 2015 general election. But Mr Cameron brushed aside fears the issue could hijack his next two years in power, insisting only he was willing to give voters a say on severing ties with Brussels. David Cameron, pictured today, insisted it had been a 'good day' for his referendum pledge
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Lord Lawson says benefits of exit outweigh 'marginal' costs
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Says EU has served its purpose: 'The case for exit is clear'
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Dramatic intervention will embolden Tories putting pressure on Cameron
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UKIP's Nigel Farage says Lawson 'exposes serious divisions' in Tory party
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Deputy PM Nick Clegg warns against 'running after' UKIP votes
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Tory MPs say the British people are 'increasingly more Eurosceptic'
I want to give people a choice between Britain remaining in a reformed EU or leaving that @placeholder.