More Olympics coverage introduced by Hazel Irvine, including the first of two canoeing semi-final days at Shunyi. It is also the quarter and semi final action in the men's -58kg and women's -49kg categories in taekwondo. In synchronised swimming, Olivia Allison and Jenna Randall are competing for Great Britain in the duet free competition Also the latest action from the table-tennis competitions and news of the basketball and volleyball quarter-finals.