2007 Sedgefield by-election with a majority reduced by over 11,000. The Liberal Democrats overtook the Conservatives for second place, with an 11% swing. The British National Party and independent local campaigner Paul Gittins both retained their deposits. 2007 Sedgefield by-election The Sedgefield by-election, 2007 was a by-election held on 19 July 2007 for the British House of Commons constituency of Sedgefield in County Durham. The Ealing Southall by-election was also held on 19 July. The by-election was triggered when Tony Blair, the Labour Party Member of Parliament (MP) for Sedgefield and former Prime Minister, "resigned" to become envoy for the international diplomatic Quartet
Tony Blair publicly endorsed Gordon Brown's leadership, praising the way he had handled the financial crisis. On 27 June 2007, Blair officially resigned as Prime Minister after ten years in office, and he was officially confirmed as Middle East envoy for the United Nations, European Union, United States, and Russia. Blair originally indicated that he would retain his parliamentary seat after his resignation as Prime Minister came into effect; however, on being confirmed for the Middle East role he resigned from the Commons by taking up an office of profit. President George W. Bush had preliminary talks with Blair to ask him