Oscar Pistorius has arrived in court for the start of the second week of his murder trial in South Africa. <br /><br />The Olympic and Paralympic star is being tried over the fatal shooting of his girlfriend almost a year ago. <br /><br />Pistorius’ defence team will today continue to cross-examine witnesses, including a security guard who came across the scene of the killing. <br /><br />The prosecution claims that after an argument Pistorius fired four shots at model Reeva Steenkamp through the locked door of a toilet. <br /><br />The double-amputee denies murder, claiming he mistook his girlfriend for a burglar.
