The Coventry South MP said she had instructed lawyers after 'false and defamatory statements' were made about her role in launching the new party's membership portal.

Less than two months on, co-founders Jeremy Corbyn and Zarah Sultana have fallen out in spectacular fashion

MP says she faced ‘baseless attacks’ over paid membership portal, which Corbyn told supporters not to use

MP claims to be subject of ‘politically motivated, defamatory attacks’ amid membership row