Mafia probe led to huge fake bonds find

Italian prosecutors say they have broken up an organised crime ring that was hiding trillions of dollars of fake US bonds.

Worth $6 trillion, the bonds were found in three metal boxes in a warehouse in the Swiss city of Zurich.

The BBC's Alan Johnson said that an investigation into a mafia group in southern Italy resulted in the chance finding of a number of bonds in a suspect's home some time ago.

Authorities then began a complex investigation across several countries, which eventually led them to Switzerland.

The BBC's Alan Johnston reports.