- Usain Bolt will return his gold medal for the 4X100m won at the 2008 Olympics
- The Jamaican's teammate Nesta Carter tested positive for a banned substance
Usain Bolt's gold medal in the 2008 Olympics for he 4X100m race will have to the handed back.
The medal is one of the Jamaican's nine Olympic gold medals.
Bolt, 30, will have to return the medal after Jamaican team-mate Nesta Carter tested positive for a banned substance.
Carter was part of the Jamaican quartet that won the 4x100m in Beijing in 2008.
His was one of 454 doping samples retested by the International Olympic Committee (IOC) last year, and has been found to contain the prohibited substance methylhexaneamine.
Carter, 31, was also part of the squad that won the event at London 2012.
Trinidad & Tobago have now been awarded the 2008 relay gold, with Japan upgraded to silver and Brazil given bronze.