David Deri makes the point that only Sephardi children received the x-rays: "I was in class and the men came to take us on a tour. They asked our names. The Ashkenazi children were told to return to their seats. The dark children were put on the bus."
..."When there is an attack against Jews anywhere in the world, the Israeli government is incensed, so why when our religion and pride are hurt, don't they take harsher measures?" he asks. According to Daniel Rossing, former adviser to the Religious Affairs Ministry on Christian affairs and director of a Jerusalem center for Christian-Jewish dialogue, there has been an increase in the number of such incidents recently, "as part of a general atmosphere of lack of tolerance in the country."
[His website] contains one snapshot of a graffiti slogan said to have been sprayed by Jewish settlers on a Hebron wall, reading: "Arabs to the gas chambers."