At around 4.25 on Thursday, February 28a man's Border Collie was allegedly attacked and killed by a 'tan coloured, large dog' in Newlands Park, Cusworth, near the Trans Pennine Trail.
Police want to speak to a young woman believed to have been walking three tan coloured, large dogs, possibly around the size of a greyhound. The young woman is described as white, around 16 to 17-years-old and 5ft to 5ft 3ins tall.
She has shoulder length dark brown hair and was wearing blue jeans, a dark coloured jacket and dark coloured boots.
Anyone with information on the incident or the identity of the woman is asked to contact the police on 101, or Crimestoppers anonymously on 0800 555111, incident no. 806 of 28/02/2013