Paul Vennells, the former Post Office boss, refused to answer questions about the Horizon scandal after being seen in public for the first time since the airing of the TV drama that highlighted it.
Nadhim Zahawi has called on the Post Office to be investigated for corporate manslaughter, following the deaths of Horizon victims who took their own lives.
Rishi Sunak will unveil a scheme on Wednesday to exonerate wrongfully convicted sub-postmasters, as the Prime Minister said that “nothing can make up for what they’ve been through”.