One suspect was arrested Tuesday and five others were arrested Wednesday morning "after a very serious investigation, " he said.

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Polly Peck International, once a major UK company, collapsed in 1990 after a Serious Fraud Office investigation.

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Since the committee met, the academies' chief executive officer Richard Gilliland has resigned after a government investigation highlighted "serious failings" in the financial management.

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The arrest came about just five days after control of the investigation switched to Scotland Yard's Homicide and Serious Crime Command unit from the local "Sapphire" policing team, which specialises in sexual assault and rape investigations.

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But Jenkins' cause was dealt a serious blow last week when Democrats on the Senate Rules Committee walked away from the investigation he demanded after the election.

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