(FILES) In this file photo taken on March 27, 2022, Yemeni workers carry bags of flour at a bakery in the capital Sanaa. - The wheat fields of northern Yemen stretch into the distance but they aren't enough to nourish a country where millions go hungry. Already teetering on the edge of famine, war-ravaged Yemen fears a shortage of the staple food ingredient because of a different war -- in Ukraine, which is one of the world's major suppliers of the grain. (Photo by MOHAMMED HUWAIS / AFP)