Full results - Labour majority of 5,334
- Stephen Doughty - Labour - 9,193
- Craig Williams - Conservative - 3,859
- Bablin Molik - Liberal Democrat - 2,103
- Luke Nicholas - Plaid Cymru - 1,854
- Simon Ziegler - UKIP - 1,179
- Anthony Slaughter - Green - 800
- Andrew Jordan - Socialist Labour - 235
- Robert Griffiths - Communist - 213
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.