The day began with a tolling of the metaphorical bell. Before the former Post Office minister Kevin Hollinrake gave evidence, the chair of the Post Office Inquiry, Sir Wyn Williams, told us that another former Subpostmaster has died, again without receiving full and final compensation. Her name was Carol Riddell. She was the Subpostmaster at East Bolden, near Sunderland, between 1992 and 2000. Sir Wyn told the Inquiry: “During her time as sub-postmistress, Mrs Riddell had to contend with a very serious armed robbery at her post office, during the course of which she was blinded by having acid thrown…