In Montreal an Airbnb cought fire and killed 6 guests and one tenant because the owner converted a house to multiple Airbnb ignoring all regulation (including fire marshal rules)

English article https://www.cbc.ca/news/canada/montreal/old-montreal-fire-airbnb-1.6801216

The french media had some follow up stories describing the owner total lack it respect for regulation. The province ended up banning Airbnbs but I don't know the details of the bag