Panic buying forces British supermarkets to ration food

LONDON (Reuters) - Britain's biggest supermarkets, Tesco, Sainsbury's and Asda, limited purchases of all food products on Wednesday after frantic shoppers stripped shelves to prepare for possible isolation during the coronavirus outbreak.The spread of the virus has triggered panic buying across the world and while European countries have restricted travel, British companies say supply chains importing fruit, vegetables, meat and fish are so far still functioning.Reassurances from Prime Minister..