Tim Smith, Technical Director for Tesco
Media playback is unsupported on your device

Tesco apologises for horsemeat burgers

16 January 2013 Last updated at 07:48 GMT

Supermarket chain Tesco has apologised after horsemeat DNA was found in some beefburgers on sale in some supermarkets in the UK and Ireland.

Technical director for Tesco Tim Smith said that an urgent investigation is under way and that products had been withdrawn from sale as a precautionary measure.