Mr Graham sustained a 12cm (5in) deep knife wound that penetrated his left lung.

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Highpoint prisoner Farndon was being taken to hospital to be treated for a knife wound.

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Mr Brown's other son Daniel, 23, was not injured but family friend Ross Hazeldene, also 23, suffered a knife wound.

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The defendant also inflicted a wound to his own stomach using a knife from under their bed, prosecutor Anne Evans said.

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