EXPLAINER-Obstacles to overcome before Ukraine grain deal eases global food crisis

A worker walks past a covered conveyor belt used to load corn grain onto the bulk carrier vessel 'Initiator D' in the Illichivsk Grain Terminal CJSC, operated by Glencore Plc, at Illichivsk port in Odessa, Ukraine. Filepic

LONDON: Two more grain-carrying ships left Ukraine's Chornomorsk port on Tuesday as part of a deal brokered by the United Nations and Turkey to unblock the country's ports.

The agreement, which has created a protected corridor, was designed to alleviate global food shortages, with Ukraine's customers including some of the world's poorest countries, such as Eritrea in Africa.