Inmates reportedly set fire to beds and threatened guards during a six-hour stand off at Doncaster Prison.
Violence was said to have erupted on Saturday, just after 5pm, at the privately-run Category B Marshgate Prison.
Reports suggested prisoners had attacked guards, threatened to torch beds and cause flooding in cells.
Guards had quelled the disturbance by 11pm and no-one was injured.
A spokeswoman for Serco, which runs the jail, said: “An incident involving a number of prisoners at HMP Doncaster took place on Saturday evening.
“Staff intervened to successfully resolve the incident. There were no injuries to prisoners or staff.
“The whole incident was isolated to one wing of the prison.
“An investigation has been launched into the matter.”
Firefighters from Doncaster, Edlington and Adwick stations were called to the scene.
Police, paramedics and a team that works with prisoners with alcohol dependency issues were also understood to have been called out.
A South Yorkshire Fire & Rescue spokeswoman said: “Firefighters were called to reports that inmates in part of the prison were threatening to set fires and flood their cells.
“Crews were present on standby until about 11pm, when they left the scene.”
She said it was unclear if any fires had actually been started.
She said: “Firefighters were at the scene on standby, but were not called into action by prison staff.
“The incident was resolved by prison officers on site.”
A South Yorkshire Police spokeswoman said: “Officers were made aware of the incident, but were not required to take any action.”