Doctor testifies in Pistorius trial

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Oscar Pistorius, puts his hands to his head while listening to evidence from a witness speaking about the morning of the shooting of his girlfriend Reeva Steenkamp, on the fourth day of his trial at the high court in Pretoria, South Africa, Thursday, March 6, 2014. Pistorius is charged with murder for the shooting death of his girlfriend, Steenkamp, on Valentines Day in 2013. (AP Photo/Werner Beukes, Pool)

PRETORIA, South Africa (AP) — A doctor who said he saw Oscar Pistorius weeping over his dead or dying girlfriend after he shot her has resumed testimony in the murder trial of the double-amputee runner.

Radiologist Johan Stipp was being questioned by defense lawyer Barry Roux on Friday, a day after Stipp described how Pistorius knelt at Reeva Steenkamp's side and struggled in vain to help her breathe by holding two fingers in her clenched mouth.

Pistorius shot Steenkamp in the bathroom of his home before dawn on Feb. 14 last year. He says he fired after mistaking Steenkamp for an intruder; prosecutors allege the Olympian intentionally killed Steenkamp after a loud argument.