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Russia has said it will not renew a crucial deal that allowed Ukraine to export grain over the Black Sea.

UN Secretary-General Antonio Guterres said a "rise in human suffering" would "inevitably" follow Russia's decision. So will the world go hungry?

Also in the programme: Iranian state media say morality police are relaunching street patrols; and the amazing story of the sailor and his dog, lost and then found, after two months at sea.