The Islamic State has posted a video online claiming to show a boy shooting dead an Israeli Arab prisoner.
In the video the boy is accompanied by a French-speaking militant who also threatens attacks on Jews in France.
It comes after the families of three British girls who have traveled to join IS in Syria told lawmakers they had no idea their relatives were becoming radicalised - or how they got the cash to fund their trip.
Reporter Tom Swarbrick has more.
IN: "The video...
OUT: ...committed."
DUR: 30 seconds