Prime Minister Gordon Brown said on Sunday he wanted Britain's financial regulator to conduct a special investigation into U.S. bank Goldman Sachs .

The bank has been charged with fraud by the U.S. Securities and Exchange Commission over its marketing of a subprime mortgage product.

I want a special investigation done into the entanglement of Goldman Sachs and the companies there with other banks and what happened, Brown told BBC television.

There are hundreds of millions of pounds have been traded here and it looks as if people were misled about what happened. I want the Financial Services Authority to investigate it immediately.

(Reporting by Tim Castle; Editing by Adrian Croft)

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