The United Nations urged Syrian Government to allow immediate aid deliveries to hunger-stricken civilians after a fragile ceasefire was extended for 48 hours by Russia and the United States. <br/><br/>The UN said trucks loaded with aid were in a buffer zone between Turkey and Syria and hoped that the supplies could be delivered to besieged rebel-held districts of Aleppo city today. <br/><br/>Meanwhile, Russia said the Syrian army had begun to withdraw from a road into Aleppo. An organization that monitors the war also said the Army had begun moving away, but insurgent groups said they had not seen the withdrawal.<br/><br/>Russia's Ambassador to the United Nations, Vitaly Churkin, said Moscow wanted a UN Security Council resolution endorsing the deal. The Syrian truce was agreed after marathon US-Russia talks in Geneva.