Explainer: Obstacles to overcome before Ukraine grain deal eases global food crisis

A Liberian-flagged bulk carrier Ocean Lion leaves the sea port in Chornomorsk after restarting grain export, amid Russia's attack on Ukraine, Ukraine August 9, 2022. REUTERS/Serhii Smolientsev

LONDON (Reuters) - 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.