Cleveland Police were called to Piper Knowle Road in Stockton at about noon today (11 August) following reports a person was potentially in possession of a knife. Armed officers attended the scene and arrested a 17-year-old boy on suspicion of possession of a knife and possession of a Class C drug. Two women, aged 37 and 41, were both arrested on suspicion of assisting an offender. All three remain in police custody at this time.