At Wembley Arena, fans jeered as the women's doubles match between China's Yu Yang and Wang Xiaoli and South Koreans Jung Kyung-eun and Kim Ha-na saw repeated errors.

BBC: GB equestrian team take Olympic silver at London 2012

In the first of the Tuesday matches under scrutiny, Wang and Yu played South Korea's Jung Kyung-eun and Kim Ha-na in a game in which "neither side seemed to be exerting themselves, " the official Olympic news service said.

CNN: Olympic badminton players disqualified for trying to lose

World doubles champions Wang and Yu of China, and their South Korean opponents, Jung Kyung-eun and Kim Ha-na, received loud boos from the crowd after directing serves into the net and making simple errors like hitting the shuttlecock wide.

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