Police are looking for a man who swung a knife at a bystander during an argument.

Captain Mike Sweeney says officers were called to the Chapel Ridge Apartments on Monday afternoon just before 4:30pm, after an argument turned violent.

The victim, a 43-year-old man told police he witnessed a verbal disturbance between the suspect and a woman.

When the suspect noticed he was watching – he threatened the man by waving a knife at him.

The man was not injured and police are still looking for the known suspect.