Police arrested the men after it emerged a significant amount of horse meat containing the painkiller "bute" could have been entering the food chain for some time.
Authorities in Britain and France are trying to trace the carcasses of six horses contaminated with bute - which were slaughtered in a UK abattoir and may have entered the human food chain across the Channel.
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Katrina Ruthven is planning an Australian-style summer Christmas for her eight-year-old son who is only expected to live until his twenties.
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Former residents of the Chagos Islands have lost their latest legal challenge at the Supreme Court.