Have you seen this dog or his owner?

ROSEBURG, Ore. -- Authorities are asking for your help in locating a dog they say bit two people in Roseburg on Monday.

Douglas County Animal Control is looking for a brown two-tone Shepherd mix that bit two people at the Schumart's Garden Valley Mini Mart in Roseburg just after 2:00 pm on Monday.

The owner of the dog is described as a man in his early 20's with long brown hair tied back in a ponytail. Officials say he was wearing a baseball cap.

The Douglas County Health Department says the dog needs to be found for observation purposes only, as required by law.

Anyone with information about the dog or its owner should contact Douglas County Environmental Health at 541-440-3574, or Douglas County Animal Control at 541-440-4471.