LOST DOG - PUG

Hi - My Dad has lost his PUG dog around 4.30pm Thursday 20th November . He has no collar, but he is wearing a Dogs Trust Yellow harness - He is chipped and assigned to the medivet Hornsey vet practice. We have tried searching for him around the area of Frobisher Road /Wightman Road area - which is where we lost him and we have had no luck.  Any help is appreciated. Thank You!