A secret plot by Libyan dictator Colonel Muammar Gaddafi to supply arms to the Argentinian junta in the midst of the Falklands War was dramatically unmasked by British agents, according to newly published documents.
A British air attache discovered the Argentines were using the airport at Recife in Brazil as a staging post for shipping weapons from Libya.
The attache had a source at the airport who was able to board an Aerolineas Argentinas flight and saw for himself boxes apparently packed with missiles.
The British government decided to embarrass the Brazilians into halting the flights by leaking details through a third country, in order to protect the air attache's source.
More top news
ITV News' Tom Brady speaks to billionaire philanthropist Bill Gates about clean energy sources and a new $7bn green tech research fund.
A man accused of killing three people and wounding nine others in a shooting at an abortion clinic in Colorado has appeared in court.
Dean Lucas and Adam Coleman were in Mexico on a surf trip but it is feared they may have been victims of local violence.