Residents needed immediate and urgent humanitarian assistance, particularly food, nutrition and health supplies, and there were reports of severe cases of malnutrition and deaths due to starvation, they said.While the Syrian government's stocks continue to provide bread, there are very limited supplies as there has been limited humanitarian or commercial access to the eastern city.UN aid chief Stephen O'Brien told the Security Council on Wednesday that since 17 February, the UN and its partners had reached 110,000 people in besieged areas, and had approval to reach a further 230,000 people, including through the air drops in Deir al-Zour. They are still waiting for approval an additional 170,000.He also welcomed the plan announced by the US and Russia for a nationwide cessation of hostilities scheduled to come into effect at 22:00 GMT on Friday.