was the end of his olympicjourney, he wanted to thank team gb for giving him some of the best memories of his life. there was disappointment elsewhere at the games in the men s rugby sevens, when britain missed out on bronze after a 17 12 defeat to argentina, finishing in fourth place. the star american gymnast simone biles has now withdrawn from a second event at the olympics. she will miss tomorrow s individual all around final, in which she s the defending champion, after saying she needs to focus on her mental health. yesterday, she pulled out of the team event. the international olympic committee says it has huge respect and support for her decision, as our sports correspondent laura scott reports. commentator: the smile says it all. she loves to perform. simone biles rewrote the record books in rio. she s been the face of a generation of gymnasts. one last tumble to become olympic champion. - at times, her phenomenal