Canada, India, and their diplomatic death spiral

Canada and India are locked in a fierce diplomatic row, after Canadian prime minister Justin Trudeau doubled down on allegations that senior Indian officials were involved in the murder of a Sikh activist on Canadian soil. Delhi has called the claims "preposterous", and last week the two nations expelled their top diplomats, as relations sank to a historic low. Such a rapid public escalation between democracies is considered largely unprecedented in modern diplomacy, so how are Canada's western allies reacting?

On this episode Caitríona Perry is joined by the BBC's South Asia correspondent Samira Hussain, and diplomatic correspondent James Landale. They examine the fallout, explain why the issue of Sikh separatism is so controversial in India, and consider the strategic dilemma the US and others are facing as they debate their own response.

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Producers: Laurie Kalus, Mhairi MacKenzie, and Alix Pickles

Sound engineers: Phil Bull and Hannah Montgomery

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Senior news editor: Sara Wadeson