Usain Bolt chides doping officials over Tyson Gay ban

Usain Bolt believes anti-doping officials have sent a "bad message to the sport", after American sprinter Tyson Gay received only a one-year ban following a positive test for an anabolic steroid.

Banned U.S. sprinter Gay to make return in Lausanne

Former world sprint champion Tyson Gay will return from a one-year doping suspension at next month`s Lausanne Diamond League meeting, organisers said on Monday.

Olympic relay medals in jeopardy after Tyson Gay`s ban

The International Olympics Committee (IOC) will have the final say on whether Tyson Gay`s 4x100 metres relay team mates will be stripped of their London Games medals in the wake of the sprinter`s doping ban, the IAAF told Reuters.

US: More charges for Afghan shooting suspect

The US Army dropped a murder charge, but added others, including steroid use, against Staff Sgt Robert Bales.