The former boss of Tesco has described the rise of supermarkets and closure of small shops as "part of progress".
Sir Terry Leahy called some High Streets "medieval", saying the way people lived their lives had changed.
He said seeing boarded up local shops was sad, but this happened because shoppers were choosing to go to bigger supermarkets.
The British Independent Retailers Association said 98% of the the
's £150bn grocery industry was controlled by just nine stores. UK