This is the moment a female prison director started twerking in front of hundreds of sex-starved inmates.

Claudia Patricia Giraldo Ossa is now being investigated by the authorities after pictures emerged of her dancing erotically at a prisoners’ cultural event in a Colombian jail.

Ossa, head of the Villahermosa prison in Cali, was wearing a shoulder-revealing halter-neck top, skinny jeans and stilletos.

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Colleagues say Ossa got carried away

The images show her jumping up on the stage and dancing alongside some of the prisoners, while other inmates cheered her on without a guard in sight.

Colleagues say Ossa had not intended to perform but had got carried away when inmates called for her to go up on stage.

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One of the inmates steps in to dance with Ossa

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The inmates egged on Ossa to get up on the stage

Officials say she faces a disciplinary inquiry. Ossa herself is yet to comment on the scandal.

The incident came to light as Colombia’s new Justice Minister, Jorge Londono, declared a state of emergency in the country’s prisons.

Drug abuse and violence are rife in the prison system and most jails are severely overcrowded, with occupancy running at more than 150 per cent.

Pictures from CEN