A PCSO disarmed a teenager who was carrying this 18-inch knife in Frankley on Wednesday.
Brave officer Jon Fox was injured in the incident on Lysander Road, suffering just minor injuries after a struggle in the street.
After being apprehended the 15-year-old was arrested on suspicion of possession of an offensive weapon and taken into custody where he remained yesterday.
Anyone with any information on knife crime should call police on 101 or Crimestoppers on 0800 555 111.