Outgoing boss faces three days of testimony from Wednesday into Horizon IT scandal and culture of Post Office

This week is set to be the most keenly watched of the final phase of the long-running public inquiry into the Horizon IT scandal and the state and culture of the Post Office.

Nick Read, the outgoing chief executive of the Post Office, will give three days of testimony from Wednesday amounting to a grilling by counsel for the inquiry of about 16 hours.