Conservative leader David Cameron says his party's first by-election win since 1982 marks "the end of New Labour".Mr Cameron told cheering supporters in Crewe and Nantwich that Labour had run a negative, xenophobic and class war campaign that "completely backfired".
He said overturning Labour's 7,000 majority "can be the start of something different and something bigger".
Labour leader Gordon Brown said the result showed his task was to tackle people's concerns about rising prices.
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