A search is underway for a man who sparked a lockdown at Sydney Boys High School.
Police were called to the Moore Park school on Wednesday afternoon after a teacher challenged a man who was spotted on school grounds.
He was seen carrying a grey shopping bag but police stressed, contrary to earlier reports, at "no time was a firearm sighted".
The man was later seen leaving the school and police began searching for him.
The lockdown at the school has been lifted.
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