How does cheese catch on fire

[Jim Johnson]

http://www.bbc.co.uk/news/world-europe-21141244

About 27 tonnes of caramelised brown goat cheese - a delicacy known as Brunost - caught light as it was being driven through the Brattli Tunnel at Tysfjord, northern Norway, last week.

The fire raged for five days.

[Pat K]

Obviously a cheese of mass destruction!