Canada is investigating the threat to Air India flights made by Sikhs For Justice (SFJ) leader Gurpatwant Singh Pannun. In a video posted online Pannun warned Sikh People against taking Air India flights on the 19th of November as there would be a global blockade. Pannun is designated as a terrorist by the Indian government and has been involved in several anti-India activities such as Khalistan Referendum in the past.<br />''    <br />'' Spokesperson for Canada's Minister of Transport, Pablo Rodriguez said, the government takes any threat to aviation extremely seriously. We are investigating recent threats circulating online closely and with our security partners, he added. Meanwhile, Canadian authorities have enhanced the security of Air India flights operating to and from the country's airports.