Outrageous footage has captured the moment a scantily clad stripper performed a raunchy routine for prisoners.
Video shows inmates drinking and cheering as they surround the woman who is dancing on top of a chair inside the jail.
One prisoner is seen filming the woman from close range while another waves a bright red thong around amid the excitement.
The stripper is eventually helped down from the chair by one enthusiastic prisoner who dances with her before she carries on with the routine.
The incident is believed to have taken place a year ago at the Barreto Campelo prison in Itamaraca, Pernambuco.
But bosses have only now launched an investigation after the clip emerged on social media.
The union of prison guards of Pernambuco, known as Union Sindasp-PE, have reportedly verified the strip show took place.
Its president Joao Carvalho blamed a lack of staff for the incident.
It is thought the prisoners were identified and transferred to another jail.
Earlier this year, in a female prison in Recife, another video was released which showed women inmates drinking alcohol, dancing and taking drugs at a party.
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