A subpostmater broke down in tears as he described being left with a £17,000 bill because of flaws in the Post Office system.
Baljit Sethi, the first witness to give evidence at an inquiry in central London, cried as he told how running it had been the "the best time" of his life because he was popular in the community.
Between 2000 and 2014 more than 700 subpostmasters and subpostmistresses (SPMs) were prosecuted based on information from the Horizon system, installed and maintained by Fujitsu.
