A police dog bit a bystander while officers were taking a suspected drunk driver into custody in Middleton, N.S., Friday.
Police describe the bite as accidental.
The victim required treatment for a minor injury.
The RCMP said they were arresting a 56-year-old man at the time. They say he pulled out a knife and made threats to an officer.
That man was ultimately taken down with a stun gun.
He also required treatment for a minor injury.
RCMP could not say whether the dog that bit the bystander would be taken off duty.