The Department of Justice has been asked to consider whether ParknShop should be prosecuted for misleading customers into buying oilfish. Fourteen customers who bought oilfish labelled as cod have complained they suffered diarrhoea...Rival Wellcome has said it unwittingly sold oilfish labelled as cod...ParknShop has denied misleading the public...[A] protest [was staged] yesterday outside the Cheung Kong Center demanding Hutchison Whampoa chairman Li Ka-shing apologise. A S Watson, which runs ParknShop, is controlled by Hutchison Whampoa.