article_snippet.sent: A grandmother was left feeling 'sick and scared' after A grandmother received a chilling ransom demand for A grandmother .
article_snippet.sent: A grandmother began an appeal to find Ben and put up posters near A grandmother home, but shortly after A grandmother received two phone calls from an anonymous man threatening to cut up A grandmother pet unless A grandmother paid £500.
article_snippet.sent: Vivienne Garton put posters (pictured) up near Vivienne Garton but since received an anonymous call threatening to cut up her 10-year-old dog .
article_snippet.sent: The caller gave the address of an empty house in Bristol and a phone number which Vivienne Garton handed to police, who are now investigating.
article_snippet.sent: A spokeswoman for Avon and Somerset police said: 'A spokeswoman for Avon and Somerset police have received reports of threatening phone calls in relation to a lost dog.
article_snippet.sent: A spokeswoman for Avon and Somerset police are investigating an incident of blackmail.'
article_snippet.sent: Devastated: Mrs Garton says Mrs Garton has been left feeling 'sick and scared' after receiving the calls, which have now been reported to the police are investigating an incident of blackmail .
highlights_snippet.sent: her started appeal to find Caller but received a call from anonymous man .
  
highlights_snippet.sent: Caller threatened to cut up her West Highland terrier unless her paid £500 .
  
highlights_snippet.sent: Caller gave address of empty house and police are investigating the blackmail .