What is the Five Eyes Alliance for intelligence-sharing, explained

Since Canadian Prime Minister Justin Trudeau alleged in his country's Parliament that the Indian government may have "potential links" to the killing of separatist leader Harmeet Singh Nijjar in Canada, the ties between the two countries are under strain. On Thursday (September 21), India halted visa services in Canada. Apart from its possible impact on trade and immigration, the issue can also influence the ties these countries share with their close, common allies in the West. Spokespersons from the United States and the United Kingdom have so far mainly stressed letting Canada's investigation into Nijjar's killing reach completion. Australia said…