The United Nations has called on the Syrian government to immediately allow life-saving aid into eastern Aleppo, where about 3 Hundred Thousand people are living under siege. <br/><br/>The UN special envoy Staffan de Mistura said there were 20 aid lorries ready to cross the border from Turkey into Syria, and make it to Aleppo city where a cessation of hostilities was holding by and large. <br/><br/>De Mistura said that as the only supply route into the embattled part of Syria's largest city, Castello Road plays a crucial role in ensuring that residents of Aleppo, who are largely dependent on outside aid, can receive food, medical items and other essentials. <br/><br/>Twenty lorries loaded with much-needed food and other aid have been awaiting clearance at the Turkish border since Wednesday for the journey to Aleppo.<br/><br/>UN Secretary General Ban Ki-Moon said on Wednesday said that he has urged the Russian government to exercise its influence on the Syrian government, and also the American side to make sure that Syrian armed groups that they cooperate.