Prosecutors pushing for a murder conviction against Oscar Pistorius have filed papers at South Africa’s Supreme Court of Appeal.

Oscar Pistorius was ordered by a judge to undergo psychiatric tests, meaning that the double-amputee athlete’s murder trial will be interrupted, possibly for two months.

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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.

The prosecutor cross-examining Oscar Pistorius in his murder trial tried to shred his version of events on the night he shot and killed his girlfriend, saying they do not add up and go against how people would react in the situation the double-amputee Olympian has described.

Oscar Pistorius is expected to take the stand, as his trial resumes this week in a defence relying on forensic experts and South Africa’s notoriously high crime rate to explain how and why he shot dead his girlfriend.

As his girlfriend lay dying, a weeping, praying Oscar Pistorius knelt at her side and struggled in vain to help her breathe by holding two fingers in her clenched mouth, a witness told a South African court.

South African athlete Oscar Pistorius is seen kissing and flirting with his model girlfriend just days before he shot her dead, in security footage broadcast on Saturday ahead of his murder trial.

Newly-released video shows Oscar Pistorius, who faces a murder trial next week, firing weapons at a gun range before the double-amputee athlete fatally shot his girlfriend last year.