Bishnoi, in jail in India's Gujarat state, is an organised crime gang leader, according to India's National Investigation Agency. Bishnoi's lawyer says he is contesting more than 40 cases on charges including murder and extortion, with many trials yet to begin.

The US Justice Department unsealed the indictment of Vikash Yadav, 39, alleging he led a plot to murder a Sikh separatist in New York.

Canada’s foreign minister says India’s remaining diplomats in the country are “clearly on notice” not to endanger Canadian lives.

There are roughly 770,000 Sikhs in Canada, about 2 per cent of the population - the largest Sikh community outside India Ottawa's accusations this week detailing a deadly Indian campaign against its Canada-based critics may have further derailed bilateral relations - but to Sikh activists,

Comparing India to Russia, Joly said Canada's national police force has linked Indian diplomats to homicides, death threats and intimidation in Canada.