Ed Davey has accused senior Post Office managers of unleashing a “conspiracy of lies” against successive ministers as he defended – and refused to apologise for – his role in the Horizon scandal.
The Liberal Democrat leader, who has been criticised for letting down victims of the miscarriage of justice as postal affairs minister between 2010 and 2012, said the government had “dragged their feet” on overturning convictions and issuing compensation payments.