CAMBRIDGE (CBS) – A Cambridge man is facing charges after police say he taunted one of their K-9s, causing it to injure itself.

MBTA Transit police say Antonio Brown was crossing a street on Tuesday evening near a marked K-9 police cruiser that was stopped at a red light.

READ MORE: Wakefield Schools Warns Of Fake Email About School Bus Service

Brown allegedly walked to the side of the cruiser without warning and started hissing, grunting and barking at the dog in the back seat, K-9 Viktor.

The dog became agitated and began jumping around. The animal suffered a cut to his eye as a result.

READ MORE: NH Legislative Leaders Speak Out Against Antisemitic Posts

“He went out of his way to come over and harass the dog. I was in the middle of Washington Street. He came out of his way around my car to do what he did,” said Officer Brian Burt, who was driving.

Antonio Brown (MBTA Police photo)

Antonio Brown (MBTA Police photo)

Officer Burt says Brown started laughing and got into a car and drove away. He was arrested a couple of blocks away.

MORE NEWS: Man Arrested, Charged With Cold-Case Murder Of His Half-Sister In New Bedford

He’s charged with Willfully Tormenting A Police Dog. Viktor is expected to be okay.