NEW : Animal psychologist says dog owners must take action if they spot warning signs . Kenny , Wednesday , is apparently killed by a pack of dogs in a house in northwest Wigan . Four dogs were shot by armed police officers and a fifth was secured . Armed officers were confronted by a pack of dogs , described as `` aggressive . '' Media reports say they were an American bulldog , bull mastiff and American bull terriers .
NEW : Animal psychologist says dog owners must take action if they spot warning signs . Kenny , Wednesday , is apparently killed by a pack of dogs in a house in northwest Wigan . Four dogs were shot by armed police officers and a fifth was secured . Media reports say they were an American bulldog , bull mastiff and American bull terriers .