[header] How to return a stray dog to its owner [title] Discern whether the dog is injured. [step] A dog that is injured may react aggressively to someone they don't know. If you can see that the dog is injured, consider contacting a local shelter or animal control to help you deal with the situation properly.
[substeps] It may not be immediately obvious that the dog is injured if you can't see blood or a broken limb. However, there are less obvious signs of injury.