NEW : UK 's three largest retailers pull packaged lasagna suspected of horsemeat . London ( CNN ) -- Findus pulls three products because of horsemeat discovery . Tests on Findus beef lasagna samples reveal horsemeat , Sweden inspectors say . UK firm Findus pulled the lasagna , made by a French supplier , from stores Thursday .
NEW : UK 's three largest retailers pull packaged lasagna suspected of horsemeat . Findus pulls three products because of horsemeat discovery . Tests on Findus beef lasagna samples reveal horsemeat , Sweden inspectors say . UK firm Findus pulled the lasagna , made by a French supplier , from stores Thursday .