Kevin Nugent's dog Orlando was attacked in Wembley last May by a 'dangerous' dog. The owner of the attacking dog carried on walking and disappeared. Orlando was rushed to the vets where they found eight severe puncture wounds to his neck.
Under new government proposals, owners of dangerous dogs could face life in prison.
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The British Transport Police have released CCTV images of two men they would like to speak to regarding the incident.
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