What is 2013 South Shields by-election?
{{Infobox election | election_name = 2013 South Shields by-election | type = parliamentary | country = United Kingdom | seats_for_election = [[South Shields (UK Parliament constituency)|South Shields]] seat | ongoing = no | previous_election = 2010 United Kingdom general election | previous_year = 2010 | next_election = 2015 United Kingdom general election | next_year = 2015 | election_date = 2 May 2013 | candidate1 = '''[[Emma Lewell-Buck]]''' | image1 = [[File:Official portrait of Mrs Emma Lewell-Buck crop 2.jpg|100px]] | party1 = Labour Party (UK) | last_election1 = | popular_vote1 = '''12,493''' | percentage1 = '''50.4%''' | swing1 = {{decrease}}1.6% | candidate2 = Richard Elvin | party2 = UK Independence Party | image2 = [[File:No image wide.svg|95x50px|Blank]] | last_election2 = | popular_vote2 = 5,988 | percentage2 = 24.2% | swing2 = ''New party'' | candidate4 = Karen Allen | party4 = Conservative Party (UK) | last_election4 = | popular_vote4 = 2,857 | percentage4 = 11.5% | swing4 = {{decrease}}10.1% | candidate5 = Ahmed Khan | party5 = Independent (politician) | last_election5 = | popular_vote5 = 1,331 | percentage5 = 5.4% | swing5 = ''New party'' | map_image = SouthShields2007Constituency.svg | map_size = | map_caption = Map showing the [[South Shields]] Parliamentary constituency within the [[England|English]] [[Metropolitan county]] of [[Tyne and Wear]]. | title = MP | posttitle = Subsequent MP | before_election = [[David Miliband]] | before_party = Labour Party (UK) | after_election = [[Emma Lewell-Buck]] | after_party = Labour Party (UK) }} The '''2013 South Shields by-election''' was for the [[List of Parliamentary constituencies in the United Kingdom|UK Parliament constituency]] of [[South Shields (UK Parliament constituency)|South Shields]].<ref>{{cite news |url=https://www.bbc.co.uk/news/uk-21947497 |work=BBC News |title=David Miliband to step down as MP |date=27 March 2013}}</ref> The by-election happened because the previous MP, [[David Miliband]], decided he didn't wan