A Prison Service spokesperson has just told ITV News Meridian that staff are back in control of Maidstone jail.
"An incident involving around 40 prisoners at HMP Maidstone has been successfully resolved with no injuries to staff or prisoners."
"An investigation is underway and the perpetrators will be dealt with appropriately by the prison."
The spokesperson says no immediate evidence of damage was reported.
More top news
There has been a dramatic rise rough sleeping across the south. Many are suffering from addiction, as well as mental health problems.
The brother of a drug-driver who was filmed speeding to his death has told ITV News how careless driving has torn his family apart.
Council leader defends decision to refuse asylum seekers in Portsmouth. It claims the city does not have the capacity to take any more.