http://news.bbc.co.uk/2/hi/uk_news/7799594.stmPolice do not take dog attacks on postal delivery workers seriously enough, union leaders have said.
The claim comes after postman Keith Davies suffered severe arm injuries when he was savaged by two rottweilers.
Communication Workers Union health and safety officer Dave Joyce said some police officers did not know enough about the law on dangerous dogs.
Mr Davies, 54, underwent a six-hour operation following the attack in Trumpington, near Cambridge, on Monday.
Mr Joyce said: "We want to see the police taking dog attacks more seriously - too often they don't, although some forces are better than others.
"Too often we are pushing for action and giving police advice on what the law is and what they can do."
He said the 1991 Dangerous Dogs Act had "failed" and called for new legislation to allow the authorities to act earlier, with anti-social behaviour orders (Asbos) for dogs.
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