Sgt Wal Larkin, from Wodonga Police, said a 17-year-old was found on the roof of the gym without any clothes on.

Two units were called to the scene at about midnight Friday, and were able to encourage her to get down.

By then the girl was wearing underpants but no bra.

Sgt Larkin said the teen was known to police for attention-seeking behaviour.

Their enquiries into the incident are continuing.