Grace Lewis, 22, defected from Sir Keir Starmer's party on Friday to join the new political grouping - which at present is only a 600,000-person-strong mailing list.

Grace Lewis resigns from Sir Keir Starmer’s party to pursue ‘real change’ with hard-Left movement

Grace Lewis, 22, defected from Sir Keir Starmer's party on Friday to join the new political grouping - which at present is only a 600,000-person-strong mailing list.