An agreement allowing Ukrainian grain to ship through the Black Sea has been extended for two months just a day before its expiration — overcoming Russia's threats to pull out of the deal.

That's the view of Joseph Glauber of the International Food Policy Research Institute. He considers the fear the war would lead to a surge in food prices – and a dramatic worsening of world hunger.

The U.N. says it's too early to determine the full impact of coronavirus lockdowns and other measures. But it says the virus could cause between 83 million and 132 million people to go hungry.