Oscar Pistorius trial: Prosecutor Gerrie Nel grills the athlete

Oscar Pistorius arrives at court prior to another day of cross examination during his ongoing murder trial in Pretoria

Reeva Steenkamp wanted to leave Oscar Pistorius's house when the couple got into an argument and the athlete shot her dead, chief prosecutor Gerrie Nel told his murder trial. Mr Nel questions the athlete’s version of events on the night he killed his girlfriend. The trial continues.