graham satchell reports. i think there is abundant evidence now that israel has not been taking enough care to fulfil its obligations on the safety of civilians. and a country that gets arms from the uk has to comply with international humanitarian law. that's a condition of the arms export license. so honestly, i think the time has come to send that signal. it won't change the course of the war. it would be a powerful political message and it mightjust stimulate debate in the us as well — which would be the real game—changer if the americans began to think about putting limits, restrictions on the use of american weapons in israel. well, the bbc�*s international editor jeremy bowen is in northern israel and gave us this update on the incident. well, a few more details are coming out in the press. there are reports which i can't personally confirm about the circumstances in which this happened. some suggestions that it might be the activities of a unit at the tactical level, rather than getting orders f