The article “The Labour Party leadership election: The Stark model and the selection of Keir Starmer”, written by Timothy Heppell was originally published electronically on the publisher’s internet portal (currently SpringerLink) on February, 24, 2021 with open access. With the author(s)’ decision to step back from Open Choice, the copyright of the article changed on May 10, 2021 to © The Author(s), under exclusive licence to Springer Nature Limited 2021 and the article is forthwith distributed under the terms of copyright.