Junior doctor and Labour councillor Rosena Allin-Khan has been selected as the party's candidate for the Tooting by-election.
Born and raised in the area, Dr Allin-Khan works as an emergency doctor at St George's Hospital and is also deputy leader of Wandsworth Labour group.
Dr Allin-Khan describes herself as passionate about the NHS, her family and singing. Expressing his delight at her selection, the new London mayor tweeted:
Sadiq Khan's election as mayor of London last week triggered the fight for the south London seat.