BBC London has discovered that hundreds of eastern European workers have been duped by a scam promising non-existent jobs at the Olympic site in east London. Our investigations unit and reporter Katharine Carpenter tracked down a convicted fraudster from east London who ran a scheme promising Slovak workers accommodation on a cruise ship in Docklands and jobs on the site.

Extract from the transcript of : File on 4: The building boom's true cost: Broadcast on BBC Radio 4; Tuesday 10 July, 2007.

With Britain in the middle of a construction boom, Julian O'Halloran investigates claims of cartels and price rigging and assesses how much such practices are adding to the final bills paid by UK plc.

The chairman of the Siemens Group in Greece and another senior company official testified Wednesday before a prosecutor investigating possible wrongdoing in the awarding of a major security contract for the Athens 2004 Olympics, court officials said.

In late November, the leader of the International Olympic Committee (IOC) suggested to Britain's House of Commons that legislation should be passed prior to the 2012 Olympic Games that will make doping a punishable crime.

French Olympic Committee president Henri Derandour was convicted on corruption charges on Thursday and given a suspended three-month prison sentence.