The prosecution in Oscar Pistorius' murder trial on Thursday challenged the credibility of an expert witness for the defense, which was trying to show that the athlete killed his girlfriend by mistake.
Sport's highest appeals body says Jamaican sprinter Veronica Campbell-Brown was cleared of doping because of blatant flaws in the test collection procedures and possible "environmental contamination" of her urine sample.
The chief prosecutor in the murder trial of Oscar Pistorius has ended his cross-examination after challenging the athlete for five days of testimony about how he killed girlfriend Reeva Steenkamp last year.
The streets of North Korea's showcase capital were filled with runners from all over the world on Sunday for the annual Pyongyang marathon, which was open to foreign amateurs this year for the first time.
A Jamaican disciplinary panel on Thursday banned former 100-meter world record holder Asafa Powell from athletics for 18 months after the veteran sprinter tested positive for a banned stimulant last June.
The chief prosecutor in Oscar Pistorius' murder trial demanded Wednesday that he openly say he killed his girlfriend, sharply challenging the double-amputee runner when he said he made a "mistake" and setting the stage for a rigorous cross-examination.
Oscar Pistorius broke down in sobs and howls while testifying at his murder trial Tuesday, forcing the court to adjourn as the star athlete was describing the moments he said he first realized he had shot girlfriend Reeva Steenkamp through a toilet door.