The twice-daily London gold fixings are when the price of spot gold is determined, in London, by the five members of The London Gold Market Fixing Ltd.
There has been a furore over the fixing of the London inter-bank lending rate, known as Libor, which is considered to be one of the most crucial interest rates in finance.
Three Pakistani players were jailed in London in 2011 after being convicted of conspiracy to cheat and conspiracy to obtain and accept corrupt payments for spot-fixing in a 2010 Test match against England.