New Labour MP: Turnout 'disappointing'
Stephen Doughty admitted a turnout of 25.35% was 'disappointing', but he thought the increase in Labour's share of the vote since 2010 was 'remarkable'.
He told our Political Reporter Owain Phillips that his resounding victory 'shows that people are fed up of the policies of this coalition government and they want to see a different way ahead.'
Labour hold Cardiff South and Penarth: majority of 5,334
Stephen Doughty will be the new MP. He's increased Labour's majority slightly, but turnout was just 25%.
Polls close in Cardiff South and Penarth by-election
Counting begins to find out who voters in Wales' biggest constituency by population have chosen as their new MP.
Candidates in final dash for votes in by-election
It's the final day of campaigning before the Cardiff South and Penarth by-election.