Plastic insulation over the windows barely kept in what heat was being generated.

FORBES: Stretching The 'Rubber Duck' Concept

It said they contain large amounts of plastic and flammable insulation, which can cause large fires that spread quickly and highly toxic gases.

BBC: Fire warning over 'dangerous modern fridge freezers'

Just like electrical wires, nerves have insulation - but instead of plastic, the body uses myelin.

BBC: Skin 'may restore' diseased MS brain

The inside was wrapped with eight inches of insulation and several layers of plastic, he said.

CNN: Inside the bunker: From storm shelter to boy's prison

It included bricks, plastic, wood, glass, plaster and insulation fibres.

BBC: William O'Grady 'made millions' from dumping, judge rules

According to the report, fridges and freezers built in recent years contain more plastic than older models, but the highly flammable insulation is not separated from the parts of the appliance where a fire can start.

BBC: Fire warning over 'dangerous modern fridge freezers'