JOHANNESBURG -- South African "Blade Runner" Oscar Pistorius, a double amputee who became one of the biggest names in world athletics, was charged on Thursday with shooting dead his girlfriend at his upscale home in Pretoria.
Police said they opened a murder case after a 30-year-old woman was found dead at the Paralympic and Olympic star's house in the Silverlakes gated complex on the capital's outskirts.
Pistorius, 26, and his girlfriend, model Reeva Steenkamp, had been the only people in the house at the time of the shooting, police brigadier Denise Beukes, told reporters, adding witnesses had been interviewed about the early morning incident.
"We are talking about neighbors and people that heard things earlier in the evening and when the shooting took place," Beukes said outside the heavily guarded residential complex. Earlier, police said a 9mm pistol had been found at the scene.
Beukes said police were aware of previous incidents at the Pistorius house. "I can confirm that there has previously been incidents at the home of Mr Oscar Pistorious, of allegations of domestic nature," she said.
Pistorius, who uses carbon fiber prosthetic blades to run, is due to appear in a Pretoria court on Friday.
"He is doing well but very emotional," his lawyer Kenny Oldwage told SABC TV, but gave no further comment.
A sports icon for triumphing over disabilities to compete with able-bodied athletes at the Olympics, his sponsorship deals, including one with sports apparel group Nike, are thought to be worth $2 million a year.
South Africa's M-Net cable TV channel said it was pulling adverts featuring Pistorius off air immediately.
"WE ARE ALL DEVASTATED"
Steenkamp's colleagues in the modeling world were distraught. "We are all devastated. Her family is in shock," her agent, Sarita Tomlinson, tearfully told Reuters. "They did have a good relationship. Nobody actually knows what happened."
Pistorius, who was born without a fibula in both legs, was the first double amputee to run in the Olympics and reached the 400-metre semi-finals in London 2012.
In last year's Paralympics he suffered his first loss over 200 meters in nine years. After the race he questioned the legitimacy of Brazilian winner Alan Oliveira's prosthetic blades, though he was quick to express regret for the comments.
South Africa has some of the world's highest rates of violent crime, and many home owners have weapons to defend themselves against intruders, although Pistorius' complex is surrounded by a three-meter high wall and electric fence.
In 2004, Springbok rugby player Rudi Visagie shot dead his 19-year-old daughter after he mistakenly thought she was a robber trying to steal his car in the middle of the night.
Before the murder charge was announced, Johannesburg's Talk Radio 702 said the athlete may have mistaken Steenkamp for a burglar.
Recent media interviews with Pistorius revealed he kept an assortment of weapons in his home.
"Cricket and baseball bats lay behind the door, a pistol by his bed and a machine gun by a window," Britain's Daily Mail wrote in a profile published last year.
Pistorius was arrested in 2009 for assault after slamming a door on a woman and spent a night in police custody. Family and friends said it was just an accident and charges were dropped.