Metals tycoon Gupta says Trafigura devised $590mn nickel fraud scheme swissinfo.ch - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from swissinfo.ch Daily Mail and Mail on Sunday newspapers.
A sandwich shop owner and a chef are crucial to an alleged multimillion-dollar international fraud involving fake nickel sold to trading group Trafigura.