Sainsbury's is recalling all of its bagged watercress and salads containing watercress as a precautionary measure due to a potential association with an outbreak of E.coli 0157 which has made 15 people ill, according to the Food Standards Authority.
Sainsbury's has informed the FSA that it is carrying out testing on all of its affected lines, but no trace of E.coli O157 has yet been found.
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Police say that anyone who sees Whitehouse should not approach him, but instead call them on 999 and quote incident 23 of 18 February.