at around 12pm on Saturday, November 21.Her owner Melissa Baylis, 17, says a stranger has contacted her family on Facebook claiming to have found her nine-week-old pet - but won't give it back.Police have now warned that “theft by finding is a criminal offence” and are urging whoever has the little dog to return her to the rightful owner.Melissa initially thought the puppy had escaped through a gap in the fence, but now believes she may have been stolen.After sharing a missing appeal on