There is "no doubt at all" that Covid-19 is being passed on in supermarkets, according to Wales' first minister Mark Drakeford.
The Welsh leader Mr Drakeford has announced tougher Covid-19 rules for retailers and shoppers following concerns from staff that customers are not following the rules.
He also said there is "significant evidence" that Coronavirus is being transmitted in supermarkets.
Supermarkets in Wales will be required to install signage, remininding shoppers of social distancing rules.
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