Post Office withheld evidence when suing East Yorkshire sub-postmaster, court told January 23, 2026 News by admin Leave a Comment on Post Office withheld evidence when suing East Yorkshire sub-postmaster, court told The Post Office obtained a High Court judgment against a former Bridlington sub-postmaster Lee Castleton almost 20 years ago by “consciously and dishonestly withholding material evidence” in the case, the High Court has been told.