Total includes 451,000 tonnes of corn and 41,000 tonnes of wheat.

Amir Mahmoud Abdulla succeeds Frederick Kenney.

Donation will be used to send grain to the food insecure Horn of Africa.

These nations annually rely on the global market to meet domestic demand for staple food grain.

Recent rain improves prospects for spring wheat.

Shipments down 46% year on year.

Shipment part of UN-brokered plan to move grain trapped by blockade.

Pilot project using 1,500-mile route from Poland to deliver 600 tonnes of corn.

Turkey reports total of 12 vessels have left ports as part of brokered agreement with Russia.

Food security, Black Sea access at stake in conflict.