Open this photo in gallery:Police work the scene of a shooting outside the Sons of Jacob Synagogue in Belleville, Ont., Sept. 21.Ian MacAlpine/The Canadian PressSave for laterSenior Canadian national-security officials are warning that the Jewish community in Canada is facing unprecedented and unparalleled threats, both in severity and number, in the aftermath of the Oct. 7, 2023 Hamas attack on Israel.The officials told The Globe and Mail that the speed of radicalization in this country is creating risks to the Jewish community at a pace not seen since after the 2001 terrorist attacks in the U.S.Officials from CSIS, the RCMP,...