A TEENAGER who allegedly forced a Sydney school into lockdown on Thursday has been dealt with under the Youth Justice Act.
Police spent a day guarding a school at Cambridge Park after threats were allegedly made via the CrimeStoppers reporting line.
The threat was believed to be linked to an incident involving a gun at the school the previous week.
St Marys police Acting Superintendent Dietmar Almer said on Friday a teenage boy had been dealt with by way of a youth conference.
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