© Licensed to London News Pictures. File picture 07/07/2016. London, UK. Founder of Momentum and Labour NEC member, JON LANSMAN speaking at a rally in support of Jeremy Corbyn at the Troxy in east London on 6th July 2016. Jon Lansman has reportedly been secretly recorded saying the Labour leader wants to overhaul party rules to lower the threshold for deselection. Photo credit: Vickie Flores/LNP