Sergeant Cowan of City Police says the incident happened on Peters Street where two men were assaulting a third man. When the 17-year old stepped in to help the assault victim, he was stabbed. Cowan says his injuries are not life-threatening and believes the teenager has already been released from hospital.
A 56-year old and 29-year old have been arrested and will be making court appearances. Police are still looking for a third suspect.
No word on the condition of the assault victim.