... into. It is for the defence to prove such threats made no contribution to the other parties will. It must be stressed that the act must be illegal so a threat to sue would be justified if it were true. The principles of duress of the person have been given in a Privy Council case Barton-v-Armstrong which, although not a binding precedent, would be persuasive on the courts.This case has not answered the question of duress to a third party. Here we can look at the principles in criminal law which seem to suggest in R-v-Howe that a defence of third party duress is available but only on the facts of each individual case. The tort of intimidation may afford a ground for relief in this area. The criminal law of blackmail could forward the equitable principle that no person should benefit from their own wrong doing. The question of ...

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