Russia's foreign ministry has said it will only consider opening up Ukraine's Black Sea ports - and so alleviate pressure on global food supplies - if sanctions against it are reviewed.Moscow's comments followed an appeal by the United Nations food chief to Vladimir Putin that millions would die around the world because of the Russian blockade.
International authorities are warning of a global food shortage crisis caused by the war in Ukraine.The country, along with Russia, is one of the largest cereal producers in the world.
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