Financial Services Authority, the UK's financial regulator, said eight people were arrested across London and the south-east of England

The Financial Services Authority, the UK's financial regulator, said eight people were arrested across London and the south-east of England on Tuesday as part of a major inquiry into insider dealing.In a brief statement, the FSA said a team of 40 of its staff, backed by officers from the City of London police, had also searched premises across the region."This is a major investigation for the FSA," a spokeswoman for the watchdog said, declining to provide further details.<br />The City of London police declined to comment.The FSA, long accused of not doing enough to tackle insider dealing and market abuse, has this year taken a tougher approach, more than doubling its team of lawyers and investigators with criminal expertise.The watchdog, which until earlier this year had not brought any criminal prosecutions for insider dealing since acquiring the power to do so in 2001, currently has three insider dealing cases involving five defendants before the courts.They include Malcolm Calvert, a partner at investment bank Cazenove until he retired in 2000, who last week pleaded not guilty to several charges of using privileged information on a string of mergers or takeovers between 2003 and 2005.<br />In March, the FSA persuaded the government to give it the power to grant key witnesses immunity from prosecution in return for giving evidence, in a move that could introduce a U.S.-style whistleblower system to the UK.

Financial Services Authority, the UK's financial regulator, said eight people were arrested across London and the south-east of England

The Financial Services Authority, the UK's financial regulator, said eight people were arrested across London and the south-east of Engl...

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