FSA announces second food test results
22 February 2013 Last updated at 22:57 GMT
The Food Standards Agency (FSA) has announced that 13 products in a second series of tests for horsemeat have tested positive for at least 1% horsemeat.
The FSA has now carried out a total of 3,634 tests. It said more than 99% had come back negative.
The BBC's Jeremy Cooke reports.