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 justified an aggravated damages award. "Tesco Group of Companies (Holdings) v Hill" [1977] I.R.L.R. 63, a checkout lady did not ring up 18 items worth £7 in one customer's purchase. Tesco started an investigation. She said she felt ill. Tesco called the police. They dismissed her. The Employment Appeal Tribunal held that the dismissal was unfair because she was given no opportunity to state her case when she was in a fit state. "Johnson v Tesco Stores" [1976] I.R.L.R. 103, an old case under old law, the employment tribunal found Tesco to have unfairly dismissed Mr Johnson. He had wrongly