Heat warnings remain in place for much of Canada as hot and humid temperatures continue to fuel wildfires. Ken McMullen, fire chief for Red Deer, Alta., is calling for the development of a national wildfire administration to allocate resources and co-ordinate rescue efforts between provinces. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: http://bit.ly/1Z0m6iX Follow CBC News on TikTok: