That death toll is disputed by many in the country, who believe the true number of dead is closer to 100.
Some reports indicate that events unravelled following a decision by the referee, who sent off two players from the visiting team, Labé, and awarded a controversial penalty kick.
An inquiry is being launched to find those responsible, Prime Minister Oury Bah said in a statement, calling the events “tragic” and offering his condolences to the bereaved.
One doctor, who did not want to be named, told AFP news agency there were “bodies lined up as far as the eye can see in the hospital”.
