article_snippet.sent: The appalling conditions of a dog training centre where illegal pitbulls covered in scars were forced to wear electric shock collars and train on treadmills has been caught in shocking footage.
article_snippet.sent: shocking footage shows the scarred animals were held in electrical shock collars, covered with scars and were kept in urine-soaked cages without water.
article_snippet.sent: The appalling conditions of a dog training centre where illegal pitbulls covered in scars were forced to wear electric shock collars and train on treadmills has been caught in shocking footage .
article_snippet.sent: The footage shows the animals were held in electrical shock collars, covered with scars and were kept in urine-soaked cages without water .
highlights_snippet.sent: Footage shows the scarred animals were held in electrical shock collars .
  
highlights_snippet.sent: the scarred animals were covered in injuries and kept in appalling urine soaked cages .
  