Russia axes Ukraine grain deal

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The deal to allow Ukrainian grain to be safely exported seems to be at an end. Russia says it is halting its involvement in the agreement brokered by the United Nations last summer. Without a deal, global food supplies are likely to be severely disrupted - Russia and Ukraine are major players in the wheat, barley, sunflower seed and sunflower oil markets. (Picture: Field of wheat Picture credit: ELVIS - BBC picture library)