A deadly snowmobile plunge on Bay Lake in the Latchford, Ont., area spurs safety warnings. OPP and fire officials are urging thorough ice checks as fishing season nears, noting that thickness can vary drastically over short distances. Eric Taschner has more. Subscribe to CTV News to watch more videos: https://www.youtube.com/ctvnews Connect with CTV News: For live updates and latest headlines visit: http://www.ctvnews.ca/ For breaking news, fast, download the CTV News App: https://www.ctvnews.