According to (http://www.throwholics.com) the IAAF have temporally suspended Ukraine's one of the best javelin thrower Roman Avramenko for a positive doping test.
The athlete will be banned until the investigators open the B-sample. Avramekno could receive up to two year ban if the B-sample turns out positive. Details of which illegal substance the athlete could have used are not revealed.
Most recently, the 25 year old athlete finished in 5th place at the Moscow World Championships. In 2006, Avramenko won bronze at the world Junior Championships and silver at the 2007 European Junior championships. Ukrainian thrower holds a personal best of 84.48m which he achieved this year in June.