HMP Moorland: Cells damaged during prison disorder
Cells were damaged and two inmates were injured during a riot at a Doncaster prison, officials said.
Forty prisoners at HMP Moorland were involved, with fire and water damage caused in one of the wings.
Two prisoners were treated for non-serious injuries after the disorder which started on Sunday at about 17:45 GMT.
It is understand that 30 prisoners have been transferred to other prisons and damage was caused to 15 cells.
Staff brought the riot under control overnight, the Prison Service said.
Paul McLennan, branch chairman of HMP Moorland Prison Officers Association, said the riot started during "our lock-up time".
He said: "We've lost house block 2 A-wing. There is some fire damage - to what extent we don't know yet because it's cordoned off."
'High violence levels'
The prison was expected to return to normal operations on Monday afternoon.
A Prison Service spokesperson said: "Specially trained staff have successfully resolved an isolated incident involving a small number of prisoners on one wing at HMP Moorland.
"We are absolutely clear that prisoners who behave in this way will be punished and could spend significantly longer behind bars."
HM Inspectorate of Prisons found "high" levels of violence in its latest inspection of the jail in February.
Three days of rioting in November 2010 caused £1m damage at the prison. Fifteen men were sentenced for their part in the chaos.
About 1,000 inmates are held at the Category C prison, one of whom is reportedly former England footballer Adam Johnson.
Johnson was jailed for six years for grooming and engaging in sexual activity with a 15-year-old girl.