What is the Khalistan Sikh movement and why is it fuelling a rift between India and Canada?

Canada has accused the Indian government of having links to the murder of Hardeep Singh Nijjar - a Sikh separatist leader who supported a movement seeking to create an independent state called Khalistan. But the movement is considered a grave national security threat by the government and is outlawed in India. Keep up with the latest news from around the world: https://www.reuters.com/ #News #Reuters #newsfeed Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: https://www.reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en