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
Premiership of Tony Blair Prime Minister for the last time. His successor was widely expected to be Gordon Brown, the-then Chancellor of the Exchequer, who launched his leadership bid on 11 May 2007. The only other politician to formally declare himself a contender for the Labour leadership following Blair's departure was the left-wing Labour MP John McDonnell, who launched his campaign on 14 July 2006. To stand in the leadership contest, candidates required the nominations of 12.5% of sitting Labour MPs—then 44 MPs. On 2 May 2007, on the tenth anniversary of the 1997 general election, Tony Blair announced that he would be stepping