Open this photo in gallery: Police investigate the Yeshiva Gedolah school for clues after shots were fired at two Jewish schools in Montreal overnight on Nov. 9.Ryan Remiorz/The Canadian Press Two empty Montreal Jewish schools hit by gunfire, Molotov cocktails ignited at a synagogue and the headquarters of a local Jewish non-profit – four hate incidents this week in the city that have brought a new level of anxiety to Jewish communities across Canada. Montreal has seen a surge in hate-crime cases since the Oct. 7 Hamas attack on Israel, with police adding the most-recent incidents to a list of...