A man has been freed after becoming stuck in a university air-conditioning duct for more than six hours in NSW.
The 23-year-old had allegedly been out drinking at a Bathurst pub on Saturday night when he scaled the roof of the Charles Sturt University and entered the vent around 2.00am Sunday.
The man, who is not a student at the university, was heard screaming by a security guard who called emergency services.
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He was freed just after 8.30am on Monday after spending six hours in the air-conditioning duct.
He now faces charges of trespassing.