most people fled to areas like yalda. they're afraid of being attacked by isil. some of these villages have reconciled with the regime and aid is coming to these areas. the u.n. is able to get aid to palestinians but make their way there. >>reporter: but thousands remain trapped by the fighting. there was now to added fear of government attacks which are also trying to push isil out. the syrian observatory of human rights -- refugee camp is less than ten kilometers from the center of damascus. other grouped have joined in the fight against isil. there are allegations an al quaeda affiliate is helping isil the al-nusra front. there had been a reconciliation group in the work. we spoke to the syrian minister of reconciliation who said the deal was going to be signed and in return the government would end the siege. but he says al-nusra doesn't want that so its fighters allowed isil to enter the camp. whatever the politics what was an already desperate situation for the the estimated 18,000 civilians trapped there is now much worse. the u.n. has called for a humanit