With Russia backing out of the Black Sea grain deal at a time when many countries in the world are teetering on the brink of famine, it appears that Russian President Vladimir Putin is ready to make the entire world pay for his territorial ambitions.
Read MoreMichael Bociurkiw speaks to BBC World TV's Global about the implementation of a complex and risky deal brokered by the UN and Turkey to unlock Ukrainian gran blockaded by Russia.
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