James Waterson and Lauren Lynch report on the latest results from the French Open and what some of the biggest names in the game are tweeting. The men's and women's semifinals have been set, as Rafael Nadal, Andy Murray, Li Na and Maria Sharapova won their matches today. French Open officials are refusing to release the name of the ball boy who ran onto the court during a point in the fifth set of Murray's match against Viktor Troicki, and the women's semifinal matches will be played tomorrow.