Maidstone Prison disturbance 'brought under control'
National resources were deployed to deal with the incident at the Kent jail.
A prison services spokeswoman said the incident had been resolved without any injuries to staff or prisoners.
The incident was earlier reported to have involved up to 180 prisoners, but the spokeswoman said only about 40 prisoners were involved.
A prison services spokeswoman said the incident had been resolved without any injuries to staff or prisoners.
The incident was earlier reported to have involved up to 180 prisoners, but the spokeswoman said only about 40 prisoners were involved.
There was no evidence of damage reported either, she said.
"An investigation is under way and the perpetrators will be dealt with appropriately by the prison," she said.
Maidstone, with an inmate population of about 600, is a category C training prison that predominantly houses sex offenders from the Kent and Sussex areas.