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 with regard to these irregularities". The accountancy firm Deloitte had launched investigation into Tesco's misreported profits a week earlier. Tesco had suspended eight executives pending further enquiries by 18 October 2013, including the UK corporate boss Chris Bush, while an investigation into the scandal takes place. The firm is also withholding payments worth £2,000,000 to its former chief executive Philip Clarke and chief financial officer Laurie McIlwee. In 2007 Tesco failed to deliver groceries via online shopping to a university campus in Sussex, offering no refund or apology. This sparked a local backlash from many customers who had similar dissatisfying