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 .
NEW : Animal psychologist says dog owners must take action if they spot warning signs . Jade Anderson , 14 , is apparently killed by a pack of dogs in a house in northwest England . Four dogs were shot by armed police officers and a fifth was secured . Media reports say they were an American bulldog , bull mastiff and Staffordshire bull terriers .