Nearly five million people in Sudan could suffer catastrophic hunger in parts of the war-torn country in the coming months, United Nations aid chief Martin Griffiths warned the Security Council on Friday in a note seen by news agency Reuters. Griffiths said acute levels of hunger were being driven by the severe impact of the conflict on agricultural production, damage to major infrastructure and livelihoods, disruptions to trade flows, severe price increases, impediments to humanitarian access and large-scale displacement. “Without urgent humanitarian assistance and access to basic commodities…