The third round of tests carried out since January revealed contamination of the following products:
- Birds Eye Traditional Spaghetti Bolognese
- Birds Eye Beef Lasagne
- Taco Bell's ground beef
- Brakes' spicy minced beef skewer
Ten tests on the four products returned results of more than 1% horsemeat, the agency said, and all four have been withdrawn from sale.
More top news
Cloud and rain set to spread westwards tomorrow bringing a colder feel.
At least 10 Olympic medallists are reportedly among the Russian athletes who have tested positive for doping at the 2008 Beijing Games.