LONDON — The fate of a wartime deal designed to move food from Ukraine to parts of the world where millions are going hungry is unclear as it faces renewal Monday. Moscow has ramped up its rhetoric, saying it may not extend the deal brokered by the U.N. and Turkey unless its demands are met — including ensuring that its own agricultural shipments don’t face hurdles. The Black Sea Grain Initiative has allowed 32.9 million metric tons (36.2 million tons) of food to be exported from Ukraine since August, more than half to developing countries, including those getting relief from the World Food Program, according to the Joint Coordination Center in Istanbul. [time-brightcove not-tgx=”true”] Read More: Ukrainian Wheat Is Once Again Changing the Course of History If the deal isn’t renewed, “you will have a new spike for sure” in food prices, said Maximo Torero, U.N.