Quis Custodiet
Field Bee
When bleary blair was introducing his anti-hunting and anti-English legislation, I went across to London for all the protests. During an all night vigil near the houses of parliament, this question was discussed and apparently it was legal to hunt rats with one terrier/dog, but not with two or more. This may have been modified since by legal precedent, but the legislation exists to prosecute anyone hunting rats with a "pack".