the teenager , identified as zeynab daghastani , was shot and killed as she made her way through the southern streets of the al-yarmouk camp towards the nearby neighbourhood of yalda .
zeynab was shot dead on the evening of april 7 last week according to a worker at the jafra foundation , an aid organisation working in the area .
zeynab was reportedly gunned down by isis snipers in al-yarmouk camp , on the outskirts of damascus .