The couple was only found out when Krar tried to mail a package of counterfeit birth certificates to an anti-government militia member in New Jersey, but got the address wrong.

CNN: Growing threat of extreme right-wing violence

One Saturday in November of 1984, James Flynn, a social scientist at the University of Otago, in New Zealand, received a large package in the mail.

NEWYORKER: None of the Above

On 15 April, a further package, addressed to Mr McBride, was intercepted by Royal Mail staff at a post box on Montgomery Terrace, Kilwinning.

BBC: Neil Lennon bomb police officers question drivers

Prior to its arrival, the package broadcast pictures of its position within a Royal Mail sorting office - before being put into the back of a van and taken across the city.

BBC: Parcel for Julian Assange is geo-tracked by artists

As part of the investment package, the Royal Mail will be able to put the money into a special account for the exclusive use of the pension fund - to help reassure pensioners that their savings are safe.

BBC: NEWS | Business | Royal Mail gets ?1.75bn package

Royal Mail said that in most cases it would be left to postal workers to decide which neighbour a letter or package should be left with.

BBC: Royal Mail next-door delivery scheme given the go-ahead