 To tell us more about the report findings, we're joined now by Katherine Byrne. She's a child protection adviser with Save the Children who has been in Gaza since May. Kat, welcome to Here and Now. Hi, good to be here. Kat, over 20,000 children unaccounted for is a staggering number. Where do you suspect they are? Of those 20 to 21,000 children, we estimate that around