 Ahavuye isanamu, REUTERS Insiguro yisanamu, Usain Bolt yaronse umudsri winzahabu ugira umunani mu nkino za Olempike Uwo munye Jamaique yagize 1978, aho yashitse imbere yumunye Canada Andre Grasse nUmufaransa Christophe Lemaitre. 