this was a severe first taste of winter. west mercia police has become the latest force in our region to issue its dogs with body armour to protect them in the line of duty. the protective vests use technology perfected by nasa. the roll out comes after a west merica police dog was stabbed with a kitchen knife. lindsay doyle reports. he is the hero who has led to the introduction of armour for all working police dogs. he was injured in the line of duty. aha, working police dogs. he was in'ured in the line of dutyfi in the line of duty. a man came towards us _ in the line of duty. a man came towards us with _ in the line of duty. a man came towards us with a _ in the line of duty. a man came towards us with a knife, - in the line of duty. a man came towards us with a knife, i - in the line of duty. a man came . towards us with a knife, i deployed him as per ourtraining. towards us with a knife, i deployed him as per our training. he was good as gold, as per his training, went to confront the mail with the knife and he was stabbed in the chest. custom made vest, with special material in the lining which helps dissipate heat away from the body of the dog is a feature used in space suits. it protects the dog who faces the same dangers as police handlers and is actually the most likely to be the first running towards a threat. , ., , ., ., , ., , threat. these dogs go out 24 slash seven in the _ threat. these dogs go out 24 slash seven in the three _ threat. these dogs go out 24 slash