UK supermarket giants launch £675m cartel lawsuit against fish farmers legal Several UK supermarket giants have bound together to launch a competition claim against different fish farmers, accusing them of operating a cartel-like operation. Asda, Iceland, Marks and Spencer, Ocado, Morrison, International Seafoods, Aldi and the Co-Op have all brought a lawsuit to the Competition Appeal Tribunal (CAT). The claims are against fish farmers, Seashore, Cermaq, [...]