The world No2 tennis player hits out against a lack of security at Roland Garros, Paris, following a number of court invasions. A tennis fan managed to make his way on to centre court after Sunday's match between Roger Federer and Alejandro Falla. The 2009 French Open winner calls for security changes to be made quickly to allow competitors to feel safe
Federer criticises French Open for failing to prevent court invaders – video
