Ahavuye isanamu, REUTERS Insiguro y'isanamu, Usain Bolt yaronse umudsri w'inzahabu ugira umunani mu nkino za Olempike Uwo munye Jamaique yagize 19”78, aho yashitse imbere y’umunye Canada Andre Grasse n’Umufaransa Christophe Lemaitre.
