Sikh activist
Canada arrests three Indians over killing of Sikh activist
Senior US official visits India, discusses plot to murder Sikh separatist
Canada calls on India to cooperate in murder probe of Sikh leader, declines to share evidence
India suspends visa services for Canadian citizens
Canada gathers allies as tensions rise with India over Sikh leader’s murder
Canada and United States worked closely on possible India link to Sikh leader’s assassination
