The report by consumer company Which says that supermarkets are 'misleading' customers about their prices. It states that unit pricing is not clear enough making it difficult for consumers to compare prices.
Almost a quarter shoppers stated that they thought the reason for the increase in their weekly shopping bill was due to unclear pricing in supermarkets.
Morrisons has said it will take steps to create a clearer pricing strategy while Sainsbury's has also announced that it will trial a new labelling format, which will include clearer unit pricing.
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Marjorie and Michael Cawdery, both 83, are understood to have been stabbed to death in a killing their family called "incomprehensible".
Detectives have launched a murder investigation following the shooting in Brent, north west London on Friday night.
Hot and humid throughout the Bank Holiday Weekend.