German supermarket chain Real confirmed Wednesday that samples of a frozen beef lasagna had tested positive for horse meat.

CNN: UK arrests, French investigation in horse meat scandal

Authorities say the company supplied meat to another French company, Comigel SAS, which made beef-labeled frozen lasagna ready meals for a frozen-food maker that were found to contain horse meat.

WSJ: U.K. Arrests Men in Horse-Meat Probe

Retailers in the United Kingdom, France and Sweden pulled millions of lasagna and other processed beef products off the shelves as the alarm was raised over the Findus lasagnas.

CNN: Meat industry under scrutiny as horsemeat scandal spreads

European Union officials were meeting Monday to discuss tougher food labeling rules after the discovery of horse meat in a range of frozen supermarket meals such as burgers and lasagna that were supposed to contain beef or pork.

NPR: Horse Meat Found In Ikea's Swedish Meatballs