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Oscar Pistorius: Olympic "Blade Runner" intentionally killed model girlfriend, prosecutors say

Athlete Oscar Pistorius (right) weeps in court in Pretoria, South Africa on Feb. 15, 2013 at his bail hearing in the murder case of his girlfriend AP Photo/Antione de Ras - Independent Newspapers Ltd South Africa

(CBS/AP) PRETORIA, South Africa - Prosecutors say they plan to  pursue a charge of premeditated murder Friday against Oscar Pistorius on allegations that the Paralympic superstar intentionally shot his girlfriend in his home in South Africa.

Pictures: Olympic athlete charged with murder

Pistorius, 26, stood with his face in his hands as he broke down in tears during his first appearance at the Pretoria Magistrates' Court. He was formally charged with one count of murder after Reeva Steenkamp, a model and budding reality TV show participant, was killed at Pistorius' upmarket home early Thursday.

Chief Magistrate Desmond Nasir delayed Pistorius' bail hearing until next Tuesday and Wednesday and ruled that Pistorius would be held at a police station in Pretoria until then. Police said they oppose the granting of bail.

Prosecutor Gerrie Nel said in court Friday that the killing was premeditated murder, indicating that the prosecution would file that more serious charge, upgraded from murder. They will argue that Pistorius planned Steenkamp's killing and intentionally gunned down his girlfriend.

An autopsy on the body of the victim was also taking place, police said Friday. Lt. Col. Katlego Mogale said the results of the autopsy would not be published.

Pistorius was led by officers Thursday to a police van outside the Boschkop Police Station in eastern Pretoria, where he was questioned and spent the night in custody. A policeman was also seen carrying a handgun in a plastic forensic bag outside the Boschkop station. It was believed to be the weapon used to shoot and kill Steenkamp.

Police said the victim was shot four times at Pistorius' villa in a gated community in an eastern suburb of Pretoria. Officers found a 9 mm pistol inside the home.

Pistorius made history at the London Olympics last year when he became the first double-amputee track athlete to compete at any games. He didn't win a medal but did make the semifinals of the 400 meters and the final of the 4X400 relay, propelling him to the status of the world's best-known Paralympian and international track star.

But police hinted at a troubled lifestyle for the runner Thursday when they said there had been previous domestic incidents at Pistorius' home.

Complete coverage of Oscar Pistorius on Crimesider

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