Former Royal Mail chairman Allan Leighton has said the Horizon scandal is "unbelievable" and "terrible". Mr Leighton apologised for "elements" of the scandal that occurred during his time in the role.

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Struggling retailer Asda has sought to recapture its former glory by hiring ex-boss Allan Leighton as its ... went on to become chairman of Royal Mail and The Co-op, while he was also president ...

Allan Leighton spent five years running Asda ... He subsequently went on to become chairman of Royal Mail and The Co-op, while he was also president of Loblaw Companies, North America’s second ...