Pizza Express apologises to Halesworth family who were not allowed in to the South Mimms restaurant.
BBC Newsnight has learnt the pizza chain held an internal investigation into the former prince's assertion that he had visited its Woking branch.
Pizza Express has moved into the former Burton menswear site in Whitefriargate, Hull.
Pizza Express is occupying the ground floor of the Burton building in Hull's Whitefriargate.
