The American retailer Walmart has agreed to sell a majority stake in Asda, its British chain of supermarkets, to a group of investors comprising the brothers Mohsin and Zuber Issa and TDR Capital. The deal values Asda £6.8 billion (€7.5bn-$8.8bn). Walmart will keep a minority stake in Asda. The deal is expected to be completed in the first half of 2021. No further details have been released. Walmart has owned Asda since 1999. In 2000, Asda introduced Asda Opticians in its stores. The service is now present in over 130 Asda locations in the U.K. Asda Opticians offers eye tests as well as contact lenses that can be bought in-store or online. The Issas own Euro Garages, which has more than 6,000 gas stations and convenience stores in Europe, North America and Australia.