A dog trader is to be investigated after an under-age puppy was bought by a Nottingham couple.
West Highland Terrier Lacey was sold as a 22-week-old puppy but an examination from a vet revealed she was younger.
She was bought by Faadil Esack, 23, and his wife Shurnelle Baksh, 24, from Plumptre Street, Nottingham, who found the true age of the dog was 16 weeks.
The owners said the dog, who was sold by an online trader, has been suffering from a kennel cough and blood in his stools.
Nottinghamshire County Council's trading standards team said the couple were given a fake pet passport.
Mr Esack said: "She has been suffering and it is horrible to see her so poorly. We are devastated at what has happened and want to warn others."
The team said they are looking to prosecute the unnamed trader for fraud.
The council's community safety committee vice-chairman Alice Grice said: "We are hoping to investigate the trader for suspected fraud.
"This is the latest example of people being duped into buying a pedigree dog on the internet and being given a fake pet passport to try to cover the fact it is too young to be sold."