India has told Canada to remove 41 of its 62 diplomats in the country, an official familiar with the matter said Tuesday, ramping up a confrontation over Canadian accusations that India may have been involved in the killing of a Sikh separatist leader in suburban Vancouver.

The official spoke on condition of anonymity as they were not authorized to speak publicly ahead of public reaction from the Canadian government later Tuesday. The official confirmed an earlier report from the Financial Times.

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India has told Canada to remove 41 of its 62 diplomats in the country amid Canadian allegations over the killing of a Sikh separatist leader.  (Fox News)

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Canadian Prime Minister Justin Trudeau has said there were "credible allegations" of Indian involvement in the slaying of Hardeep Singh Nijjar, a 45-year-old Sikh leader who was killed by masked gunmen in June in Surrey, outside Vancouver.

For years, India has said Nijjar, a Canadian citizen born in India, has links to terrorism, an allegation Nijjar denied.