Ahavuye isanamu, Reuters Ibihugu vyinshi biri mu mugwi w'abanywanyi batobato ba Opep barashigikiye iyo ngingo yo kugabanya umwimbu igihe basanze igiciro carakorotse kuva ku $110 akagunguru mu myaka ibiri iheze bitewe n'ukwimbura ibitoro birenze urugero.
