Oscar Pistorius has killed girlfriend on Valentine's Day

South African Paralympic athlete Oscar Pistorius has been arrested over the fatal shooting of his girlfriend at his home in Pretoria. Police said a 26-year-old athlete is investigated for murder. The precise circumstances surrounding the incident are unclear. Reports say he may have mistaken her for a burglar. Pistorius's girlfriend, Reeva Steenkamp, was a 30-year-old model.
Oscar Pistorius, 26, is known as the "blade runner", and was the first double amputee to run in the Olympics.