Health and safety officials have been checking gas appliances inside the flat to trace a leak, and the apartment block has been evacuated while tests continue.

BBC: Neil McFerran (l) and Aaron Davidson (r)

Gas appliances at the property were examined by health and safety inspectors, after neighbours reported a strange odour coming from the house.

BBC: Post-mortem exams on Saltash men 'inconclusive'

One of the most commonly cited areas of nanotechnology improvements is medicine, a broad area that encompasses the development of new medical equipment and appliances as well as the delivery of more effective, targeted health care.

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