MISSING dogs are not an unusual occurrence on the Mornington Peninsula, as any look at local social media attests to. But some pull at the heart strings more than others.The case of lost dog Fifi has another layer of sadness, with the pooches’ owner Nicole Kenyon finding out about the dog’s escape on 14 June, when she was stuck in hospital for several weeks and helplessly unable to do anything. Kenyon had placed her beloved Maltese x Shitzu dog in the hands of a dog minder, but as often happens when dogs miss their human, the 11-year-old pet escaped an…