Lost: Puppy

We lost our puppy friday night and have been searching with no luck all day! His name is Rex and he is only 10 weeks old. He is a black Staffy and is no bigger than the size of a forearm. He is also wearing a red bandana collar. He is my partners son's dog and we are very worried of his whereabouts. If anybody at all has seen him or taken him in please contact Amy on 0419909493 asap. We just want him home safe and well. Reward will be offered!