Trinidad and Tobago's 2008 Olympic 4x100 metre team could be awarded the gold medal for the event, after placing second at the Bird Nest Stadium in Beijing.
The Gleaner Newspaper in Jamaica is now reporting that Jamaican Nesta Carter, who was part of Jamaica's gold medal team, has been identified as one of 32 athletes who failed a retrospective drugs test.
That now puts Jamaica's gold medal in jeopardy.
The Gleaner said a retest of Carter`s `A` sample from the Beijing Games had found traces of the banned stimulant Methylexaneamine.
The result of retests of Carter`s `B` sample was not yet known, the Gleaner said citing "well-placed sources".
Carter, 30, ran the first leg for Jamaica`s 4x100m relay team in Beijing, which also included Michael Frater, Asafa Powell and superstar Usain Bolt.
The team took gold in what was then a new world record of 37.10 seconds, ahead of Trinidad and Tobago and Japan.
Carter was also a member of Jamaica`s gold medal-winning relay teams at the 2011, 2013 and 2015 World Championships as well as the 2012 Olympic Games.
In previous doping cases where individual members of a medal-winning relay squad have tested positive, the whole team is stripped of their medal.
The United States men`s 4x100m team were stripped of their silver medals from the 2012 Olympics after Tyson Gay`s doping case.
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