The issue focused heavily on policing tactics following riots at Bradford Bradford Zoo earlier this month.Hundreds of demonstrators clashed with police outside the zoo gates after zoo gates were reopened following riots involving youths throwing bananas at officers.Witnesses described youths smashing bins and bins smashing fences before smashing bins inside the enclosure.Insp Nicola Goodwin said riot officers dealt with incidents involving juveniles inside the enclosure.'Aggressive youths'Officers cleared bins inside the enclosure while negotiators dealt with youths smashing bins inside the enclosure while negotiators handled disturbances inside the enclosure."Aggressive