The Ministry of Municipal Affairs and Housing made changes to the Ontario Building Code this week to raise the height of wood frame buildings from four storeys to six storeys high. But Scott Marks with the International Association of Fire Fighters said firefighters are concerned the changes that allow Ontario builders to erect taller wood frame buildings will pose a greater safety risk. 

http://www.cbc.ca/news/canada/ottawa/taller-wood-frame-buildings-raise-fire-risk-firefighter-group-says-1.2778608