Staff at HMP Ranby are working with Nottinghamshire Police to identify the ringleaders who led an eight-hour disturbance at the prison.
The disturbance began at around midday and was not resolved until 8.10pm.
A number of inmates were driven away from the prison near Retford in several vehicles and were heard shouting and banging inside.
More top news
Police in Beirut are investigating the sudden death of British embassy worker Rebecca Dykes, government sources said.
A tip from the CIA was sufficient to track down and detain a group of suspects planning to bomb the Kazan Cathedral and other sites.
The 12 Years A Slave director is filming an artwork as a 'lasting memorial' to the Grenfell Tower fire tragedy.