A star pathologist hired by Oscar Pistorius has said he will not testify at the athlete’s murder trial, another blow for the defence after a week of savage cross-examination.

The prosecutor at the murder trial of double-amputee Olympian Oscar Pistorius is continuing his cross-examination of one of the defence’s forensic experts.

The prosecution derided a forensic expert hired by Oscar Pistorius, accusing him of being unqualified to testify and rubbishing his account of the circumstances of Reeva Steenkamp’s death.