Day 453.Today, we bring you the latest news from Belgorod as Russia battles saboteur groups on its own territory and we talk about Russian prison culture and its impact on soldiering in the invasion.Contributors:David Knowles (Host). @DJKnowles22 on Twitter.Roland Oliphant (Senior Foreign Reporter) @RolandOliphant on Twitter.Dominic Nicholls (Associate Editor, Defence). @DomNicholls on Twitter.Kristapps Andrejsons (Journalist and creator of The Eastern Border podcast). @TorquemadaStark on Twitter.To support our work, subscribe to The Telegraph: telegraph.co.uk/ukrainethelatestEmail: ukrainepod@telegraph.co.ukSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.