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Prisoners brandishing a blade made a shocking warning to new inmate set to join them in jail from inside their cell.
Footage has appeared on an Instagram account, believed to be run by inmates from across a Cheshire prison.
The account shows convicts taking drugs, fighting and generally messing around while behind bars.
One clip shows two prisoners, both with mohawk hairdos, speaking to the camera about how a new inmate is going to ‘get it’ when he arrives at HMP Risley.
Manchester Evening News reports that the shorter of the two men can be seen brandishing a large weapon, which looks like a blade or knife.