Prime Minister Mark Carney has kicked off a three-day trip in Norway focused on bolstering Canada's Arctic defence strategy and alliances in Europe. On Friday, Carney observed NATO's biennial Cold Response training exercises, taking place against a backdrop of contentious international tensions. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@