kurdish official, most of the children are children, and the vast majority elderly. this is the second time that isis has released yazidi captives. the first in january where 250 yazidis were released, most of them elderly. we tonight know the exact conditions that led to their release. we know it was somehow coordinated through arabic tribal leaders southeast of the city of kirkuk. those who were released appearing in videos to be relieved, yes, but many in tears. seemingly continuing to be shocked. understandable given what it is that they have gone through. these yaz di is were captured in august when the terrorist august swept through their homes in the mountains. one cannot imagine what it is they must have gone through. skies still believed -- syracuse still believed to hold thousands. they have claimed to have enslaved 1,000 women and girls, going so far as to show family float as who to how they -- to