The deal was aimed at getting grain from Ukraine to world markets through the Black Sea and easing a global food crisis that the United Nations said had been worsened by Russia's full-scale invasion of Ukraine.

The meeting will take place at the level of ambassadors.

It says the Turkish- and United Nations-brokered accord is not being properly implemented.

The G7 is reportedly discussing reversing its sanctions approach so that exports to Russia are automatically banned unless they are included on a designated list of products allowed to be shipped to the country.

The deal had allowed shipments of grain from Ukraine, one of the world's largest exporters, that the Russian invasion had halted.