The UNHCR could help those who did not "return from where they have come", according to the commission's Simon Taylor.

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The criminal charge comes about five months after the Commodity Futures Trading Commission sued Mr. Taylor in a civil lawsuit, alleging he entered fabricated trades by bypassing an internal system that was designed to send electronic trades to the Chicago Mercantile Exchange.

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The company was visited by the Care Quality Commission, just seven weeks after Ms Taylor's death.

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