Haltemprice and Howden (UK Parliament constituency) Conservative David Davis, who had previously been the member for Boothferry; he was re-elected in the 2001, 2005 and 2010 general elections. The area was placed as 10th most affluent in the country in the 2003 Barclays Private Clients survey. On 12 June 2008, a day after a vote on the extension of detention of terror suspects without charge, in an unexpected move, Davis took the Chiltern Hundreds, effectively resigning his seat as the constituency's MP. He stated this was to force a by-election, in which he intended to provoke a wider public debate on the single issue of the
Londonderry City (UK Parliament constituency) system. Ferguson's death caused a by-election. Dowse was appointed Solicitor-General for Ireland, requiring a by-election. Dowse resigned after being appointed Chief Baron of the Irish Exchequer, causing a by-election. On petition, Lewis was unseated. McCarthy was named as MP on 25 October. Knox resigns, triggering a by-election. Hamilton is appointed Treasurer of the Household, prompting a by-election in which he stood unopposed. Hamilton becomes Duke of Abercorn, prompting a by-election. Hogg's death prompts another by-election. Londonderry City (UK Parliament constituency) Derry City was a parliamentary constituency in Ireland. It returned one Member of Parliament (MP) to the House of Commons