Trouble breaks out at Derby school leavers party Youngsters treated officers with disrespect Police say youngsters were caught drinking and smoking cannabis on land off Pit Close Lane, Derby (Image: Derbyshire Police) Subscribe today to get the latest headlines straight to your inbox with our free email updatesInvalid EmailSomething went wrong, please try again later. Subscribe When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice Police were called to remove dozens of "arrogant" and disrespectful school leavers from a recreation area in Derby when party celebrations escalated into a night of trouble.