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 man, who was in his 30s, has not been identified, while several other people are believed to have suffered serious injuries.
If you're dreading going to work Monday morning, how about this for a career change.
Police have released more images of people wanted in connection with what they describe as 'disorder' at a McDonalds in central London.