The prime ministers of India and Canada could benefit politically in the short term from the unprecedented expulsion of top diplomats from each country, analysts said on Tuesday.

A diplomatic row that has strained bilateral relations between India and Canada for over a year has boiled over as the countries expelled each other’s top diplomats over the killing of a Sikh activist in Canada and allegations of other crimes there.

India's main opposition Congress party has urged Prime Minister Narendra Modi's government to take all political parties into confidence regarding worsening ties with Canada a day after the two countries said they expelled each other's diplomats.

Canada said it had identified India’s top diplomat in the country as a person of interest in an assassination plot and expelled him and five other diplomats Monday.

The ongoing diplomatic friction between Canada and India over alleged Indian government involvement in harassment of Canadian citizens has led to cautious responses from Five Eyes allies. While the United States has openly urged India to cooperate with Canadian authorities,

A diplomatic situation involving "serious criminal activity" by India's diplomats has forced the Royal Canadian Mounted Police to break protocol and speak publicly about ongoing threats to Canada, officials said Monday.