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Oscar Pistorius was charged with murder in the shooting death of his girlfriend. (AP)

Inspirational Olympic sprinter Oscar Pistorius was charged with murder ^[2] Thursday in Pretoria, South Africa, accused of shooting his girlfriend inside his home.

Pistorius, a 26-year-old double-amputee who competed in the London Olympics with two artificial legs, allegedly shot Reeva Steenkamp four times in the predawn hours. The 30-year-old model died at the house.

A police spokesperson said there previously had been “allegations of a domestic nature” at the home, and “there is no other suspect involved.”

Early reports indicated Pistorius might have mistaken Steenkamp for a burglar.

“It would be premature and very irresponsible of me to say what actually happened,” Brigadier Denise Beukes said. “There have been allegations. We are not sure.”