Nigeria thrown out of the Rio Olympics 4x400m women's relay due to doping

The International Association of Athletics Federations (IAAF) have thrown Nigeria's 4x400m women's relay team out of next month's Olympic Games in Brazil, Complete Sports reports.
The disqualification followed Tosin Adeloye's positive drugs test at the Confederation of African Athletics (CAA) Super Grand Prix/Warri Relays in Warri, Delta State on July 24, 2015.
Adeloye, 20, was a member of the Nigerian quartet that finished 4th in Beijing in August, 2015, at the IAAF World Championships. Her positive drugs test and sebsequent ban for 8 years, means all the results she achieved from the period she tested positive, individually and jointly will be annulled.
Adeloye once tested positive for the anabolic steroid Metenolone at the National Sports Festival in Lagos in December 2012, at the age of 16, and was subsequently banned from sports for two years. The ban ended on January 6, 2015.... d devil has since been blame for her latest ban....