Yu Yang, one of the Chinese badminton players disqualified from the Olympics says she is quitting the sport, saying her dream has been "heartlessly shattered".

"This is my last time competing. Goodbye Badminton World Federation; goodbye beloved badminton,"

She and Wang Xiaoli were among eight players disqualified for trying to lose matches.

China has said it fully respects the decision to disqualify its players.

Badminton head coach Li Yongbo has apologised, saying players failed to demonstrate "fighting spirit".

Two South Korean pairs and an Indonesian pair were also disqualified