Inmates moved after trouble at Birmingham jail
Twenty eight inmates have been moved out of HMP Birmingham after trouble flared when prisoners refused to return to their cells, security firm G4S said.
The disorder on Sunday involved a "small number of prisoners" on one wing, the Prison Service said, and saw 28 cells suffer water damage.
It began at about 17:00 BST and was resolved by 23:45. No injuries have been reported.
The moved prisoners include 10 "key protagonists" who led the disorder.
G4S, who took over running the jail from the Prison Service in 2011, said it expected the cells to have dried out by later on Monday, or Tuesday at the latest.
The prison was the scene of 12 hours of disorder in December 2016, which required riot teams to be deployed.
G4S said it would review what had caused the latest outbreak of trouble at the Category B and C prison in the Winson Green area of the city.
A spokesman said trouble flared "after a group of prisoners refused to return to their cells" at the end of evening association.
He said: "Staff have successfully resolved disorder on one wing at HM Prison Birmingham.
"No staff or prisoners were injured during the incident and the rest of the establishment was unaffected."
One inmate, believed to be in his 20s, was taken to hospital for an unrelated medical matter.
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