EXCLUSIVE: An anonymous tip in the mail prompted Official Information Act requests which confirmed a member of a foreign delegation failed to declare a large sum of cash, in breach of New Zealand's money laundering laws. Jared Savage reports the cash was confiscated but no arrest made, a decision which one expert said "seemed odd".

More than $300,000 has been seized from a mysterious foreign diplomat after he failed to declare the vast sum of cash in his luggage.

The experienced traveller, part of an official delegation invited to New Zealand, was let off with a warning instead of being