As Bashar al-Assad fights for his survival, a new threat to Israel is crystallising across its northern borders.
What began in Syria as a limited but genuine people's uprising against a dictatorship has become contaminated with Saudi-funded foreign mujahideen who are driven, among other things, by an intense hostility toward non-Muslims - and an implacable hatred of Jews and Israel.
Long before the September 11 attacks on the United States, Osama bin Laden had made himself known as a terror threat. In 1996 he declared that Muslims should raise jihad against the west, and two years later he outlined his belief that killing “Jews and crusaders” was an "individual duty for every Muslim".
Members of Tunisia’s 2,000 year old Jewish population have raised concerns about rising anti Jewish violence in the country following the collapse of the rule of President Zine El Abidine Ben Ali last month.
Earlier this week around 40 Tunisian Muslims gathered outside the main synagogue in Tunis shouting anti-Jewish slogans and reportedly calling for death to Jews.