All Arabs in the Levant are descendants of non-Arabs. Or do you think Assyrians, Phoenicians, Mesopotamians and Egyptians vanished into thin air and were replaced by herders from Arabia? This doesn't mean they are not Arabs. They are now, even if many Palestinians might well be the descendants of ancient Israelites (unlike those who came from Poland).
Ex-FM Lieberman: Firebomb attack in Jerusalem a reminder that norm is Arab terror against Jews (Haar