2013 horse meat scandal negative for horse DNA. products were tested but were negative for all foreign DNA. Of the 37% of beef products tested positive for horse DNA, Tesco's inexpensive Everyday Value Beef Burgers tested at 29.1%. All other reported brands had less than 0.3% horse DNA. These products originated from Liffey Meats and Silvercrest Foods in Ireland and Dalepak Hambleton food processing plant in the United Kingdom. Trace amounts of horse DNA were also found in raw ingredients imported from Spain and the Netherlands. Laboratory DNA investigations were requested by the authorities into possible donkey meat adulteration of minced meat products labelled
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