Ms Magee said that since then, many mink have escaped into the wild or have been intentionally released.

BBC: Escaped mink could be "disaster" for Donegal

Or some of them may have been intentionally carried into the country as pets -- and then released.

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Most were later released, but the six Bulgarians, as well as eight Libyans and a Palestinian, were charged with intentionally infecting 393 children with the virus that cuases Aids.

BBC: Aids trial adjourned