A 30-year-old woman was found fatally shot in the upscale Pretoria home belonging to South African Olympian Oscar Pistorius, police said Thursday.

Police said they have arrested a 26-year-old man -- the same age as Pistorius -- in connection with the shooting and that he will appear in Pretoria magistrate court sometime Thursday.

Pistorius, nicknamed the "Blade Runner," made history when he became the first Paralympian to compete in the able-bodied Olympics last year.

Several South African media outlets reported that the woman was mistaken for an intruder. Police Brig. Denise Beukes said she was aware of the reports, but could not confirm them.

South Africa has a high crime rate, and it's not unusual for homeowners to keep weapons to protect themselves from intruders.

Pistorius, a double-amputee, ran with the aid of prosthetic limbs during the London Olympics last year, the first Paralympian to compete in the able-bodied Olympics.

The runner's legs were amputated below the knee when he was a toddler because of a bone defect. He runs on special carbon fiber blades, hence the nickname.
Deadly shooting at Oscar Pistorius home
'Blade Runner' Oscar Pistorius 'Blade Runner' Oscar Pistorius

While he failed to win a medal in the Olympics, his presence on the track was lauded as an example of victory over adversity and a lesson in dedication to a goal.