The Australian finance broker, Union Standard International Group (USG), that sponsors English Premier League team, Sheffield United, allegedly scammed up to $588 million from Chinese investors, who thought they were putting their money in a high yield product that may never have existed. The money was instead allegedly used, to bankroll its sale of high risk financial betting products to customers around the world including Australia.

https://www.smh.com.au/business/markets/sheffield-united-s-australian-sponsor-linked-to-588-million-scam-20210122-p56w2f.html

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