India Strikes at Canada With Warning to Students, Immigrants

India warned its citizens to “exercise utmost caution” while in Canada and hinted that their safety is threatened, an apparent escalation of the diplomatic row between the two countries. The advisory from India’s external affairs ministry said students in particular should “remain vigilant,” aiming its message at the huge population of young Indians attending Canada’s colleges and universities. India is the number one source of immigrants and foreign students to Canada, and the two countries have strong economic and investment ties. But they are now publicly sparring after Prime Minister...