Excerpt:

Britain's biggest supermarket chains are selling halal lamb and chicken without telling unsuspecting shoppers.

Those stocking meat slaughtered according to Islamic law include Waitrose, Marks & Spencer, Sainsbury's, Tesco, Somerfield and the Co-op.

And a Mail on Sunday investigation has found that fast-food chains including Domino's Pizza, Pizza Hut, KFC, ­Nando's and Subway are also using halal meat without ­telling customers.

But the UK's second-biggest supermarket, Asda, has refused to confirm or deny whether it sells halal meat.

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