The Mont Blanc tunnel cut hours off the journey between Italy and France and in 1999 in a fire emergency services were unable to save 38 lives. We look at why.
With John Chidgey.

Links of potential interest:

• Mont Blanc Tunnel
• Culvert
• NFPA - Highway Vehicle Fires
• The Fire Triangle
• Carbon Monoxide Poisoning

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Episode Gold Producer: 'r'.
Episode Silver Producer: Chris Stone.