Veronica Campbell - Brown is cleared to return to competition by officials in her native Jamaica . But now the IAAF , track and field 's world governing body , will decide if she can go back . The three - time Olympic gold medalist , tested positive for a banned substance in May . Jamaican ##s Tina Powell and Sherone Simpson said in July they also tested positive .
Veronica Campbell-Brown is cleared to return to competition by officials in her native Jamaica . But now the IAAF , track and field 's world governing body , will decide if she can come back . The three-time Olympic gold medalist , tested positive for a banned substance in May . Jamaican sprinters Asafa Powell and Sherone Simpson said in July they also tested positive .