Horse meat eaten without the knowledge of the consumer, due to accidental or fraudulent introduction of horse meat into human food. A 2003 Food Standards Agency (FSA) investigation revealed that certain sausages, salami and similar products such as chorizo and pastrami sometimes contain horse meat without it being listed, although listing is legally required. The 2013 horse meat scandal involved multiple products being recalled from shelves due to unlabelled horse meat in amounts up to 100% of the meat content. The issue came to light on 15 January 2013, when it was reported that horse DNA had been discovered in frozen beefburgers
Criticism of Tesco by the independent retailers group RGDATA contained allegations that Tesco overcharged customers. The report shows that customers in six Tesco stores were overcharged by an average of 3% on some items. Tesco Ireland was convicted of failing to display prices properly by the National Consumer Agency in July 2008. Tesco received criticism for bureaucratic and inflexible parking systems in its Bloomfield store in Dublin, Ireland. The Food Safety Authority of Ireland, has on a number of occasions ordered the recall of Tesco branded products, including a case of glass contamination. Environmental Health Officers served a closure order on Tesco's store