 Ahavuye isanamu, REUTERS Insiguro yisanamu, Abanyagihugu ba Cuba mu munezero wo kwigina ayo masezerano Itangazo bashizeko umukono ryasomwe mu birori vyabereye I Havane ku mugwa mukuru wigihugu ca Cuba, aho ivyo biganiro vyamahoro vyari bimaze imyaka ine biriko birabera. 