There as been many comments in the media; ref Shamima Begum the young girl who went to Syria in support of ISIS/DAESH. Whether or not she should b] Allowed to come back. Or b] leave her where she is and revoke her British citizenship.
I was going to make a comment but I came across an article on Off Guardian that gives a good summing up of the problem. This and the subsequent comments are worthy of a read.
George and the ‘ISIS Bride’ Shamima Begum