Frozen ready meal producer, Findus says horsemeat has been discovered in its beef lasagne.<br />The British Food Standards Agency says Findus has carried out tests on 18 of its beef lasagne products and that they contained between 60 and 100 per cent horsemeat.<br /><br />Vets are concerned that the anti-inflammatory drug bute, given to horses and harmful to humans, may enter the foodchain.<br />http://www.euronews.net/