By adhering to the practices of Orthodox Judaism, both men observed the Shabbat, the Jewish day of rest.

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The Brooklyn-born Schacter was an early student of Rabbi Joseph Soloveitchik, who is considered one of the founders of Modern Orthodoxy, a movement within Orthodox Judaism.

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The role is traditionally seen as the figurehead of British Jews, although it is only officially representative of the 70, 000-strong United Synagogue - the biggest wing of orthodox Judaism in the UK - and other communities across the UK and parts of the Commonwealth.

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Even more important is Mr Barak's agreement with the ultra-Orthodox party, United Torah Judaism, on new rules for the military conscription of students at yeshivas, or Talmudic colleges.

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Mr Netanyahu was forced to give up his alliance with the ultra-Orthodox parties: Shas and United Torah Judaism.

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Within Judaism, even some of the most Orthodox movements are getting into a digital groove.

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The law is based on the Orthodox definition of a Jew as someone born of a Jewish mother or converted to Judaism.

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Correspondents say the dispute over the wall has become a symbol of the greater tensions in Israeli society between ultra-Orthodox Jews, who abide by a very strict interpretation of Jewish law, and more modern elements of Judaism.

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