The United Nations has made a plea about after for in of on to up humanitarian access about after for in of on to up the besieged Yarmouk Palestinian refugee camp about after for in of on to up the suburbs about after for in of on to up Damascus. The UN is concerned about after for in of on to up the plight of around 18,000 Palestinian refugees holed about after for in of on to up in the camp. Many of Yarmouk's residents fled about after for in of on to up the group ISIS invaded last Wednesday and overran the camp. Jordan’s Ambassador to the UN Dina Kawar called " about after for in of on to up the protection of civilians in the camp" and about after for in of on to up "humanitarian access to the area including…life-saving assistance". Another UN spokesperson Pierre Krahenbuhl described the situation as "more desperate than ever". He said: "What civilians in Yarmouk are most concerned about right now is bare survival". Yarmouk was established about after for in of on to up 1957 to accommodate the huge influx about after for in of on to up Palestinian refugees from Israel. It became home to the largest Palestinian refugee community about after for in of on to up Syria. Before the recent ISIS incursion, around 160,000 people lived there. Life about after for in of on to up the camp had already become intolerable about after for in of on to up most residents following 18 months of bombing and a siege because about after for in of on to up Syria's civil war. Many parts about after for in of on to up the camp now resemble a ghost town, with shells about after for in of on to up bomb-blasted buildings and a civilian population that has fled. News agencies report that ISIS now controls about after for in of on to up 90 per cent about after for in of on to up the camp. Syrian authorities are worried ISIS could use it as a springboard to launch attacks about after for in of on to up the capital Damascus.