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Election Results
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57th Parliament of the United Kingdom By-elections

  1. 3 May 2018 - West Tyrone
  2. 14 June 2018 - Lewisham East
  3. 4 April 2019 - Newport West
  4. 6 June 2019 - Peterborough
  5. 1 August 2019 - Brecon and Radnorshire

Read the House of Commons Library briefing on by-elections in the 57th Parliament.

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